Alexander V. Leonov

I have finalized the list of trending vulnerabilities for 2024 according to Positive Technologies. Last year, 74 vulnerabilities were classified as trending (to compare the scale, just over 40,000 were added to NVD in 2024). All trending vulnerabilities are found in Western commercial products and open source projects. This year, the vulnerabilities of domestic Russian […]

January Linux Patch Wednesday. Out of 424 total vulnerabilities, 271 are in the Linux Kernel. None show signs of exploitation in the wild, but 9 have public exploits. 🔸 RCE – Apache Tomcat (CVE-2024-56337). Based on the description, the vulnerability affects “case-insensitive file systems” like Windows or MacOS. However, Debian lists it as affecting tomcat9 […]

The Elevation of Privilege – Windows Common Log File System Driver (CVE-2024-49138) has become more critical. Just as I wrote that nothing had been heard about this vulnerability for a month since it was first published in Microsoft’s December Patch Tuesday, a public exploit for it appeared on January 15th. 🙂 It was developed by […]

What has become known about the Elevation of Privilege – Windows Common Log File System Driver (CVE-2024-49138) vulnerability from the December Microsoft Patch Tuesday a month later? Almost nothing. 🙄 This is a vulnerability in a standard Windows component, available in all versions starting with Windows Server 2003 R2. Its description is typical for EoP […]

January Microsoft Patch Tuesday. 170 CVEs, 10 of them were added since December MSPT. 3 exploited in the wild: 🔻 EoP – Windows Hyper-V NT Kernel Integration VSP (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335). No details yet. No vulnerabilities have public exploits. 5 have private ones: 🔸 Security Feature Bypass – Microsoft Update Catalog (CVE-2024-49147), MapUrlToZone (CVE-2025-21268, CVE-2025-21189)🔸 […]

About Elevation of Privilege – Windows Kernel Streaming WOW Thunk Service Driver (CVE-2024-38144) vulnerability. The vulnerability is from the August Microsoft Patch Tuesday. It wasn’t highlighted in reviews; all we knew was that a local attacker could gain SYSTEM privileges. Three and a half months later, on November 27, SSD Secure Disclosure released a write-up […]

About Authentication Bypass – Hunk Companion WordPress plugin (CVE-2024-11972) vulnerability. ThemeHunk company develops commercial themes for WordPress CMS. And the Hunk Companion plugin is designed to complement and enhance the functionality of these themes. The plugin has over 10,000 installations. On December 10, WPScan reported a vulnerability in Hunk Companion plugin versions below 1.9.0, allowing […]

Aggregators of actively discussed vulnerabilities. Alexander Redchits updated his list of services that highlight TOP CVE vulnerabilities and uploaded it with descriptions to teletype (in Russian). Now there are 11 of them: 1. Intruder’s Top CVE Trends & Expert Vulnerability Insights2. Cytidel Top Trending3. CVE Crowd4. Feedly Trending Vulnerabilities5. CVEShield6. CVE Radar7. Vulners “Discussed in […]

About Remote Code Execution – Apache Struts (CVE-2024-53677) vulnerability. Apache Struts is an open source software framework for building Java web applications. It allows developers to separate the application’s business logic from the user interface. Due to its scalability and flexibility, Apache Struts is often used in large enterprise projects. A security bulletin describing the […]

About Remote Code Execution – Windows Lightweight Directory Access Protocol (LDAP) (CVE-2024-49112). The vulnerability is from the December Microsoft Patch Tuesday. Three weeks later, on January 1, researchers from SafeBreach released a write-up on this vulnerability, labeled as LDAPNightmare, and an exploit PoC. The exploit causes a forced reboot of Windows servers. One prerequisite: the […]