Category: Security Affairs

Authentication bypass CVE-2025-22230 impacts VMware Windows Tools

Broadcom addressed a high-severity authentication bypass vulnerability, tracked as CVE-2025-22230, in VMware Tools for Windows. Broadcom released security updates to address a high-severity authentication bypass vulnerability, tracked as CVE-2025-22230 (CVSS score 9.8), impacting VMware Tools for Windows. VMware Tools for…

Android malware campaigns use .NET MAUI to evade detection

Researchers warn of a new Android malware that uses .NET MAUI to mimic legit services and evade detection. McAfee researchers warn of Android malware campaigns using .NET MAUI to evade detection. These threats disguise themselves as legitimate services to steal…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 38

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Decrypting Encrypted files from Akira Ransomware (Linux/ESXI variant 2024) using a bunch of GPUs  Jaguar Land Rover Breached by HELLCAT Ransomware…

UAT-5918 ATP group targets critical Taiwan

Cisco Talos found UAT-5918, active since 2023, using web shells and open-source tools for persistence, info theft, and credential harvesting. Cisco Talos uncovered UAT-5918, an info-stealing threat actor active since 2023, using web shells and open-source tools for persistence and…

RansomHub affiliate uses custom backdoor Betruger

Symantec researchers linked a custom backdoor, called Betruger, found in recent ransomware attacks to an affiliate of the RansomHub operation. Symantec’s Threat Hunter team has identified a custom backdoor, named Betruger, linked to a RansomHub affiliate. Designed for ransomware attacks,…

Cisco Smart Licensing Utility flaws actively exploited in the wild

Experts warn of the active exploitation of two recently patched security vulnerabilities affecting Cisco Smart Licensing Utility. Cisco disclosed two vulnerabilities in its Smart Licensing Utility: CVE-2024-20439, a static credential backdoor, and CVE-2024-20440, an information disclosure flaw. Attackers can exploit…

Veeam fixed critical Backup & Replication flaw CVE-2025-23120

Veeam released security patches for a critical Backup & Replication vulnerability that could let attackers remotely execute code. Veeam addressed a critical security vulnerability, tracked as CVE-2025-23120 (CVSS score of 9.9), impacting its Backup & Replication software that could lead to…

WhatsApp fixed zero-day flaw used to deploy Paragon Graphite spyware

WhatsApp fixed a zero-click, zero-day vulnerability used to install Paragon’s Graphite spyware on the devices of targeted individuals. WhatsApp has addressed a zero-click, zero-day vulnerability exploited to install Paragon’s Graphite spyware on the devices of targeted individuals. WhatsApp blocked a…

U.S. CISA adds Fortinet FortiOS/FortiProxy and GitHub Action flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Fortinet FortiOS/FortiProxy and GitHub Action flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: In February, Fortinet warned…

ChatGPT SSRF bug quickly becomes a favorite attack vector

Threat actors exploit a server-side request forgery (SSRF) flaw, tracked as CVE-2024-27564, in ChatGPT, to target US financial and government organizations. Cybersecurity firm Veriti reports that threat actors are exploiting a server-side request forgery (SSRF) vulnerability, tracked as CVE-2024-27564 (CVSS…

New StilachiRAT uses sophisticated techniques to avoid detection

Microsoft discovered a new remote access trojan (RAT), dubbed StilachiRAT, that uses sophisticated techniques to avoid detection. In November 2024, Microsoft researchers discovered StilachiRAT, a sophisticated remote access trojan (RAT) designed for stealth, persistence, and data theft. Analysis of its…

Attackers use CSS to create evasive phishing messages

Threat actors exploit Cascading Style Sheets (CSS) to bypass spam filters and detection engines, and track users’ actions and preferences.  Cisco Talos observed threat actors abusing Cascading Style Sheets (CSS) to evade detection and track user behavior, raising security and…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 37

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Undercover miner: how YouTubers get pressed into distributing SilentCryptoMiner as a restriction bypass tool   Ragnar Loader   Desert Dexter. Attacks on Middle…

New MassJacker clipper targets pirated software seekers

Pirated software seekers are targeted by the new MassJacker clipper malware, according to CyberArk researchers. A new malware campaign spreading a new clipper malware dubbed MassJacker targets users searching for pirated software, Cyberark users warn. A clipper malware is a…

Cisco IOS XR flaw allows attackers to crash BGP process on routers

Cisco addressed a denial of service (DoS) vulnerability that allows attackers to crash the Border Gateway Protocol (BGP) process on IOS XR routers. Cisco has addressed a denial of service (DoS) vulnerability, tracked as CVE-2025-20115, that could allow an unauthenticated, remote attacker to crash…

GitLab addressed critical auth bypass flaws in CE and EE

GitLab addressed two critical authentication bypass vulnerabilities in Community Edition (CE) and Enterprise Edition (EE). GitLab released security updates to address critical vulnerabilities in Community Edition (CE) and Enterprise Edition (EE). The company addressed nine vulnerabilities, including the two critical…

Meta warns of actively exploited flaw in FreeType library

Meta warned that a vulnerability, tracked as CVE-2025-27363, impacting the FreeType library may have been exploited in the wild. Meta warned that an out-of-bounds write flaw, tracked as CVE-2025-27363 (CVSS score of 8.1), in the FreeType library may have been actively exploited in attacks.…

China-linked APT UNC3886 targets EoL Juniper routers

Mandiant researchers warn that China-linked actors are deploying custom backdoors on Juniper Networks Junos OS MX routers. In mid-2024, Mandiant identified custom backdoors on Juniper Networks’ Junos OS routers, and attributed the attacks to a China-linked espionage group tracked as UNC3886.…

Apple fixed the third actively exploited zero-day of 2025

Apple addressed a zero-day vulnerability, tracked as CVE-2025-24201, that has been exploited in “extremely sophisticated” cyber attacks. Apple has released emergency security updates to address a zero-day vulnerability, tracked as CVE-2025-24201, in the WebKit cross-platform web browser engine. The vulnerability…

Undocumented hidden feature found in Espressif ESP32 microchip

Experts discovered an undocumented hidden feature in the ESP32 microchip manufactured by Espressif, which is used in over 1 billion devices. At the RootedCON, researchers at Tarlogic Innovation presented their findings on undocumented commands in the ESP32 microchip designed by…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 36

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Cellebrite zero-day exploit used to target phone of Serbian student activist   One in Four Cyberattacks in 2024 Traced to Infostealers, Huntress…

Medusa Ransomware targeted over 40 organizations in 2025

Medusa ransomware has claimed nearly 400 victims since January 2023, with attacks increasing by 42% between 2023 and 2024. The Symantec Threat Hunter Team reported that the Medusa ransomware operators have claimed nearly 400 victims since January 2023. Experts observed…

Elastic patches critical Kibana flaw allowing code execution

Elastic fixed a critical flaw in the Kibana data visualization dashboard software for Elasticsearch that could lead to arbitrary code execution. Elastic released security updates to address a critical vulnerability, tracked as CVE-2025-25012 (CVSS score of 9.9), impacting the Kibana data visualization dashboard software for Elasticsearch. Kibana provides visualization capabilities…

China-linked APT Silk Typhoon targets IT Supply Chain

Microsoft warns that China-backed APT Silk Typhoon linked to US Treasury hack, is now targeting global IT supply chains, using IT firms to spy and move laterally. Microsoft reported that China-linked APT group Silk Typhoon has shifted tactics to target…

New Eleven11bot botnet infected +86K IoT devices

The Eleven11bot botnet has infected over 86,000 IoT devices, mainly security cameras and network video recorders (NVRs). Researchers from Nokia Deepfield Emergency Response Team (ERT) discovered a new botnet named Eleven11bot that has already infected over 86,000 IoT devices. Most…

VMware fixed three actively exploited zero-days in ESX products

Broadcom has addressed three VMware zero-day vulnerabilities in ESX products that are actively exploited in the wild. Broadcom released security updates to address three VMware zero-day vulnerabilities in ESX products that are actively exploited in the wild. The flaws, respectively…

Google fixed two actively exploited Android flaws

Android March 2025 security update addresses over 40 vulnerabilities, including two flaws actively exploited in attacks in the wild. Android March 2025 security update addressed over 40 vulnerabilities, including two flaws, respectively tracked as CVE-2024-43093 and CVE-2024-50302, which are actively…

U.S. CISA adds Multiple Cisco Small Business RV Series Routers, Hitachi Vantara Pentaho BA Server, Microsoft Windows Win32k, and Progress WhatsUp Gold flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco Small Business RV Series Routers, Hitachi Vantara Pentaho BA Server, Microsoft Windows Win32k, and Progress WhatsUp Gold flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 35

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. DragonForce Ransomware Group is Targeting Saudi Arabia   Massive Botnet Targets M365 with Stealthy Password Spraying Attacks   Notorious Malware, Spam Host “Prospero”…

Enhanced capabilities sustain the rapid growth of Vo1d botnet

Operators behind the Vo1d botnet have enhanced its capabilities, enabling rapid growth in recent months. In September 2024, Doctor Web researchers uncovered a malware, tracked as Vo1d, that infected nearly 1.3 million Android-based TV boxes belonging to users in 197 countries.…

Cisco fixed command injection and DoS flaws in Nexus switches

Cisco addressed command injection and denial-of-service (DoS) vulnerabilities in some models of its Nexus switches. Cisco released security updates to address command injection and DoS vulnerabilities in Nexus switches, including a high-severity flaw. The most severe issue, tracked as CVE-2025-20111…

DragonForce Ransomware group is targeting Saudi Arabia

Resecurity researchers reported that DragonForce ransomware targets Saudi organizations rising cyber threats in the region. DragonForce ransomware has recently been reported to target organizations in the Kingdom of Saudi Arabia (KSA). A significant incident identified by Resecurity involved a data…