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Security Affairs

Microsoft shares guidance for investigating attacks exploiting CVE-2023-23397

Microsoft is warning of cyber attacks exploiting a recently patched Outlook vulnerability tracked as CVE-2023-23397 (CVSS score: 9.8). Microsoft published guidance for investigating attacks exploiting recently patched Outlook vulnerability tracked as CVE-2023-23397. The flaw is a Microsoft Outlook spoofing vulnerability that can lead to an authentication bypass. A remote, unauthenticated attacker can exploit the flaw to […]

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Security Affairs

Researchers released PoC exploit for Ivanti Sentry flaw CVE-2023-38035

Proof-of-concept exploit code for critical Ivanti Sentry authentication bypass flaw CVE-2023-38035 has been released. Researchers released a proof-of-concept (PoC) exploit code for critical Ivanti Sentry authentication bypass vulnerability CVE-2023-38035 (CVSS score 9.8). This week the software company Ivanti released urgent security patches to address the critical-severity vulnerability CVE-2023-38035 impacting the Ivanti Sentry (formerly MobileIron Sentry) product. […]

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Security Affairs

Apple fixes recently disclosed CVE-2023-23529 zero-day on older devices

Apple released updates to backport security patches that address actively exploited CVE-2023-23529 WebKit zero-day for older iPhones and iPads. Apple released security updates to backport patches that address an actively exploited zero-day flaw (CVE-2023-23529) for older iPhones and iPads. The CVE-2023-23529 flaw is a type confusion issue in WebKit that was addressed by the IT giant with […]

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Security Affairs

Critical RCE flaw CVE-2023-20887 in VMware vRealize exploited in the wild

VMware is warning customers that critical remote code execution vulnerability CVE-2023-20887 is being actively exploited in attacks. VMware is warning customers that a critical remote code execution vulnerability in Aria Operations for Networks (Formerly vRealize Network Insight), tracked as CVE-2023-20887, is being actively exploited in the wild. “VMware has confirmed that exploitation of CVE-2023-20887 has […]

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Security Affairs

Cisco fixed CVE-2023-20049 DoS flaw affecting enterprise routers

Cisco fixed a high-severity DoS vulnerability (CVE-2023-20049) in IOS XR software that impacts several enterprise routers. Cisco has released security updates to address a high-severity DoS vulnerability, tracked as CVE-2023-20049 (CVSS score of 8.6), in IOS XR software used by several enterprise-grade routers. The vulnerability resides in the bidirectional forwarding detection (BFD) hardware offload feature […]

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Security Affairs

335,923 out of 489,337 Fortinet firewalls vulnerable to CVE-2023-27997

Researchers reported that there are 490,000 Fortinet firewalls exposing SSL VPN interfaces on the internet, and roughly 69% of them are still vulnerable to CVE-2023-27997. In Mid-June Fortinet addressed a critical flaw, tracked as CVE-2023-27997 (CVSS score: 9.2), in FortiOS and FortiProxy that is likely exploited in a limited number of attacks. “A heap-based buffer overflow vulnerability […]

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Security Affairs

FBI: Patches for Barracuda ESG Zero-Day CVE-2023-2868 are ineffective

The FBI warned that patches for a critical Barracuda ESG flaw CVE-2023-2868 are “ineffective” and patched appliances are still being hacked. The Federal Bureau of Investigation warned that security patches for critical vulnerability CVE-2023-2868 in Barracuda Email Security Gateway (ESG) are “ineffective.” According to the feds, threat actors are still hacking the patched appliances in […]

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Security Affairs

VMware fixes a command injection flaw CVE-2023-20887 in VMware Aria Operations for Networks

Virtualization giant VMware addressed critical and high-severity vulnerabilities in VMware Aria Operations for Networks. Virtualization technology giant VMware released security patches to address three critical and high-severity vulnerabilities, tracked as CVE-2023-20887, CVE-2023-20888, CVE-2023-20889, in VMware Aria Operations for Networks. VMware Aria Operations for Networks (formerly vRealize Network Insight) is a network monitoring tool that helps organizations build […]

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Security Affairs

Barracuda ESG appliances impacted by CVE-2023-2868 must be immediately replaced

Barracuda warns customers to immediately replace Email Security Gateway (ESG) appliances impacted by the flaw CVE-2023-2868. At the end of May, the network security solutions provider Barracuda warned customers that some of its Email Security Gateway (ESG) appliances were recently breached by threat actors exploiting a now-patched zero-day vulnerability. The vulnerability, tracked as CVE-2023-2868, resides in the […]

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Security Affairs

Experts warn attackers started exploiting Citrix ShareFile RCE flaw CVE-2023-24489

Researchers warn that threat actors started exploiting Citrix ShareFile RCE vulnerability CVE-2023-24489 in the wild. Citrix ShareFile is a widely used cloud-based file-sharing application, which is affected by the critical remote code execution (RCE) tracked as CVE-2023-24489 (CVSS score of 9.1). The flaw impacts the customer-managed ShareFile storage zones controller, an unauthenticated, remote attacker can […]

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Security Affairs

VMware warns customers of exploit available for critical vRealize RCE flaw CVE-2023-20864

VMware warns customers of the public availability of an exploit code for the RCE vulnerability CVE-2023-20864 affecting vRealize. VMware warned customers of the availability of an exploit code for the critical RCE vulnerability CVE-2023-20864 in the VMware Aria Operations for Logs analysis tool  (formerly vRealize Log Insight). VMware Aria Operations for Networks (formerly vRealize Network Insight) is […]

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Security Affairs

Hackers already installed web shells on 581 Citrix servers in CVE-2023-3519 attacks

Researchers warn that hundreds of Citrix servers have been hacked in an ongoing campaign exploiting the RCE CVE-2023-3519. Security researchers from the non-profit organization Shadowserver Foundation reported that hundreds of Citrix Netscaler ADC and Gateway servers have already been compromised as part of an ongoing campaign exploiting the critical remote code execution (RCE) vulnerability CVE-2023-3519. […]

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Security Affairs

Zyxel addressed critical flaw CVE-2023-27992 in NAS Devices

Zyxel released security updates to address a critical vulnerability affecting its network-attached storage (NAS) devices. Zyxel released security updates to address a critical security flaw, tracked as CVE-2023-27992 (CVSS score: 9.8), affecting its network-attached storage (NAS) devices. The vulnerability is a pre-authentication command injection issue that impacts the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware […]

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Security Affairs

Fortinet urges to patch the critical RCE flaw CVE-2023-27997 in Fortigate firewalls

Fortinet addressed a new critical flaw, tracked as CVE-2023-27997, in FortiOS and FortiProxy that is likely exploited in a limited number of attacks. Fortinet has finally published an official advisory about the critical vulnerability, tracked as CVE-2023-27997 (CVSS score: 9.2), impacting FortiOS and FortiProxy. “A heap-based buffer overflow vulnerability [CWE-122] in FortiOS and FortiProxy SSL-VPN may allow a remote […]

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Security Affairs

Researchers released a PoC exploit for CVE-2023-20178 flaw in Cisco AnyConnect Secure

The proof-of-concept (PoC) exploit code for high-severity vulnerability (CVE-2023-20178) in Cisco AnyConnect Secure was published online. A security researcher has published a proof-of-concept (PoC) exploit code for the high-severity vulnerability, tracked as CVE-2023-20178 (CVSS score of 7.8), impacting Cisco AnyConnect Secure Mobility Client and Secure Client for Windows. AnyConnect is a secure remote access VPN […]

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Security Affairs

Experts released PoC exploit for MOVEit Transfer CVE-2023-34362 flaw

Security firm Horizon3 released proof-of-concept (PoC) exploit code for the remote code execution (RCE) flaw CVE-2023-34362 in the MOVEit Transfer MFT. MOVEit Transfer is a managed file transfer that is used by enterprises to securely transfer files using SFTP, SCP, and HTTP-based uploads. The vulnerability is a SQL injection vulnerability, it can be exploited by […]

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Security Affairs

Shadowserver reported that +15K Citrix servers are likely vulnerable to attacks exploiting the flaw CVE-2023-3519

Researchers reported that more than 15000 Citrix servers exposed online are likely vulnerable to attacks exploiting the vulnerability CVE-2023-3519. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) this week warned of cyber attacks against Citrix NetScaler Application Delivery Controller (ADC) and Gateway devices exploiting recently discovered zero-day CVE-2023-3519. The Agency states that threat actors targeted a NetScaler […]

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Security Affairs

Zimbra fixed actively exploited zero-day CVE-2023-38750 in ZCS

Zimbra addressed a zero-day vulnerability exploited in attacks aimed at Zimbra Collaboration Suite (ZCS) email servers. Two weeks ago Zimbra urged customers to manually install updates to fix a zero-day vulnerability, now tracked as CVE-2023-38750, that is actively exploited in attacks against Zimbra Collaboration Suite (ZCS) email servers. Zimbra Collaboration Suite is a comprehensive open-source messaging and […]

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Security Affairs

Unpatched Office zero-day CVE-2023-36884 actively exploited in targeted attacks

Microsoft warned today that an unpatched zero-day in multiple Windows and Office products was actively exploited in the wild. Microsoft disclosed an unpatched zero-day vulnerability in multiple Windows and Office products that has been actively exploited in the wild. The issue, tracked as CVE-2023-36884, was exploited by nation-state actors and cybercriminals to gain remote code execution […]

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Security Affairs

Apple addressed a new actively exploited zero-day tracked as CVE-2023-38606

Apple released security updates to address an actively exploited zero-day flaw in iOS, iPadOS, macOS, tvOS, watchOS, and Safari. Apple released urgent security updates to address multiple flaws in iOS, iPadOS, macOS, tvOS, watchOS, and Safari, including an actively exploited zero-day. The vulnerability, tracked as CVE-2023-38606, resides in the kernel and can be exploited to modify sensitive […]

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DataBreaches

#StopRansomware: Malicious Actors Exploit CVE-2023-27350 in PaperCut MF and NG

Jen Easterly, Director of CISA, tweeted: In early May 2023, a group self-identifying as the Bl00dy Ransomware Gang was observed attempting to exploit...

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Security Affairs

Apache fixed Critical RCE flaw CVE-2023-50164 in Struts 2

The Apache Software Foundation addressed a critical remote code execution vulnerability in the Struts 2 open-source framework.

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Security Affairs

CISA orders federal agencies to fix VMware CVE-2022-22972 and CVE-2022-22973 flaws

CISA orders federal agencies to fix VMware CVE-2022-22972 and CVE-2022-22973 vulnerabilities by May 23, 2022. The Cybersecurity and Infrastructure Security Agency (CISA) issued the Emergency Directive 22-03 to order federal agencies to fix VMware CVE-2022-22972 and CVE-2022-22973 flaws or to remove the affected products from their networks by May 23, 2022. The list of impacted […]

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Security Affairs

Hackers are actively exploiting CVE-2022-47966 flaw in Zoho ManageEngine

Experts warn of threat actors actively exploiting the critical CVE-2022-47966 (CVSS score: 9.8) flaw in Zoho ManageEngine. Multiple threat actors are actively exploiting the Zoho ManageEngine CVE-2022-47966 (CVSS score: 9.8) in attacks in the wild, Bitdefender Labs reported. “Starting on January 20 2023, Bitdefender Labs started to notice a global increase in attacks using the ManageEngine exploit CVE-2022-47966.” reads the […]

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Security Affairs

Thousands of Citrix servers still vulnerable to CVE-2022-27510 and CVE-2022-27518

Researchers warn of thousands of Citrix Application Delivery Controller (ADC) and Gateway endpoints are still unpatched. NCC Group’s Fox-IT research team warns of thousands of Citrix ADC and Gateway endpoints remain vulnerable to two critical vulnerabilities, tracked as CVE-2022-27510 and CVE-2022-27518 (CVSS scores: 9.8), that the company addressed in recent months. CVE-2022-27510 flaw is an authentication bypass using an […]

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Security Affairs

VMware addressed two zero-day flaws demonstrated at Pwn2Own Vancouver 2023

VMware addressed zero-day flaws that can be chained to achieve arbitrary code execution on Workstation and Fusion software hypervisors. VMware released security updates to address two zero-day vulnerabilities (CVE-2023-20869, CVE-2023-20870) that were chained by the STAR Labs team during the Pwn2Own Vancouver 2023 hacking contest against Workstation and Fusion software hypervisors. The STAR Labs (@starlabs_sg) […]

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Security Affairs

Microsoft revised CVE-2022-37958 severity due to its broader scope

Microsoft revised the severity rate for the CVE-2022-37958 flaw which was addressed with Patch Tuesday security updates for September 2022. Microsoft revised the severity rate for the CVE-2022-37958 vulnerability, the IT giant now rated it as “critical” because it discovered that threat actors can exploit the bug to achieve remote code execution. The CVE-2022-37958 was […]

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Security Affairs

Google fixed the first Chrome zero-day of 2023

Google released an emergency security update to address a zero-day vulnerability in Chrome which is actively exploited in the wild. Google released an emergency security update to address the first Chrome zero-day vulnerability (CVE-2023-2033) in 2023, the company is aware of attacks in the wild exploiting the issue. The vulnerability is a Type Confusion issue that resides in the JavaScript engine […]

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Security Affairs

Critical Magento zero-day flaw CVE-2022-24086 actively exploited

Adobe addressed a critical vulnerability (CVE-2022-24086) impacting Magento Open Source products that is being actively exploited in the wild. Adobe rolled out security updates to address a critical security vulnerability, tracked as CVE-2022-24086, affecting its Commerce and Magento Open Source products that is being actively exploited in the wild. “Adobe is aware that CVE-2022-24086 has […]

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Security Affairs

Securing Easy Appointments and earning CVE-2022-0482

Easy Appointments contained a very dangerous Broken Access Control vulnerability tracked as CVE-2022-0482 that was exposing PII. Another day, another threat to your data. The recently discovered CVE-2022-0482 is a Broken Access Control vulnerability affecting Easy Appointments, a popular open-source web app written in PHP, used by thousands of sites to manage their online bookings. […]

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Security Affairs

US CISA adds MS Exchange bug CVE-2022-41080 to its Known Exploited Vulnerabilities Catalog

US CISA added Microsoft Exchange elevation of privileges bug CVE-2022-41080 to its Known Exploited Vulnerabilities Catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog. The first issue, tracked as CVE-2022-41080, is a Microsoft Exchange server privilege escalation vulnerability. The issue can be chained with CVE-2022-41082 (ProxyNotShell) to […]

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Security Affairs

Experts released PoC exploit code for critical VMware CVE-2022-22972 flaw

Security researchers released PoC exploit code for the critical authentication bypass vulnerability CVE-2022-22972 affecting multiple VMware products. Horizon3 security researchers have released a proof-of-concept (PoC) exploit and technical analysis for the critical authentication bypass vulnerability CVE-2022-22972 affecting multiple VMware products. The virtualization giant recently warned that a threat actor can exploit the CVE-2022-22972 flaw (CVSSv3 base score of 9.8) […]

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Security Affairs

CVE-2022-0778 DoS flaw in OpenSSL was fixed

OpenSSL addressed a high-severity denial-of-service (DoS) vulnerability, tracked as CVE-2022-0778, related to certificate parsing. OpenSSL released updates to address a high-severity denial-of-service (DoS) vulnerability, tracked as CVE-2022-0778, that affects the BN_mod_sqrt() function used when certificate parsing. The flaw was discovered by the popular Google Project Zero researchers Tavis Ormandy. An attacker can trigger the vulnerability by crafting […]

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Security Affairs

CISA added Zoho ManageEngine RCE (CVE-2022-47966) to its Known Exploited Vulnerabilities Catalog

US CISA added the Zoho ManageEngine RCE vulnerability CVE-2022-47966 to its Known Exploited Vulnerabilities Catalog. The US CISA added the Zoho ManageEngine remote code execution flaw (CVE-2022-47966) to its Known Exploited Vulnerabilities Catalog. The CVE-2022-47966 flaw is an unauthenticated remote code execution vulnerability that impacts multiple Zoho products with SAML SSO enabled in the ManageEngine setup. The […]

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