All news with #active exploitation tag

Active Exploitation of Fortra GoAnywhere CVE-2025-10035

🔴 watchTowr Labs reports credible evidence that the critical unsafe deserialization flaw CVE-2025-10035 in Fortra GoAnywhere MFT was exploited in the wild as early as Sept 10, 2025, a week before public disclosure. The License Servlet vulnerability can permit unauthenticated command injection, earning a CVSS 10.0 rating. Fortra has released fixes (GoAnywhere 7.8.4 and Sustain 7.6.3); affected organizations should apply updates immediately and investigate for signs of compromise.

LockBit 5.0 Emerges as Most Dangerous Ransomware Variant

🔒 Trend Micro has identified a new LockBit variant, LockBit 5.0, which it calls significantly more dangerous than prior releases and has observed in the wild. The vendor confirmed Windows, Linux, and ESXi binaries featuring faster encryption, removal of infection markers, randomized 16-character extensions and enhanced evasion. The Windows build includes a cleaner affiliate UI with detailed execution options, while the ESXi variant represents a critical escalation by enabling encryption of multiple virtual machines from a single payload. Researchers note substantial code reuse from 4.0, suggesting an evolutionary update rather than a rebrand.

Cisco ASA Zero-Days Enable Bootkit and Loader Attacks

🛡️ The U.K. NCSC and Cisco confirmed active exploitation of recently disclosed vulnerabilities in Cisco Secure Firewall ASA devices that allowed deployment of previously undocumented malware families, notably RayInitiator and LINE VIPER. Cisco traced attacks beginning in May 2025 that targeted ASA 5500‑X appliances (running ASA 9.12/9.14 with VPN web services enabled), using multiple zero-day flaws to bypass authentication and execute code. Attackers employed a persistent GRUB bootkit, ROMMON modifications on non‑Secure Boot platforms, and extensive evasion techniques — disabling logging, intercepting CLI, and crashing devices — to maintain stealth and persistence. Organizations are urged to apply vendor fixes, migrate off end‑of‑support models, and monitor for indicators of compromise.

Critical Cisco Firewall Zero-Day Demands Immediate Patch

🔴 A critical zero-day vulnerability (CVE-2025-20363) in Cisco firewall and IOS families requires immediate patching, US CISA and the UK NCSC warned. Cisco says the flaw is caused by improper validation of user-supplied HTTP input and can allow remote arbitrary code execution as root when exploited. Affected products include Cisco Secure Firewall ASA, FTD, and certain IOS/IOS XE/IOS XR builds; Cisco has released fixes and advises there are no viable workarounds.

Urgent Cisco ASA Zero-Day Duo Under Active Attack Now

⚠️ Cisco is urging customers to immediately patch two zero-day vulnerabilities affecting the VPN web server in Cisco Secure Firewall Adaptive Security Appliance (ASA) and FTD software after observing exploitation in the wild. CVE-2025-20333 (CVSS 9.9) allows an authenticated VPN user to execute arbitrary code as root; CVE-2025-20362 (CVSS 6.5) permits unauthenticated access to restricted URL endpoints. CISA has issued Emergency Directive ED 25-03, added both flaws to the Known Exploited Vulnerabilities catalog with a 24-hour mitigation requirement, and warned of a widespread campaign linked to the ArcaneDoor/UAT4356 cluster that can modify ASA ROM to persist.

CISA Orders Agencies to Patch Cisco ASA/FTD Zero-Days

🔔 CISA has issued Emergency Directive 25-03 requiring Federal Civilian Executive Branch agencies to remediate two actively exploited Cisco vulnerabilities, CVE-2025-20333 and CVE-2025-20362, in ASA and FTD devices. Agencies must inventory appliances, collect forensics, disconnect compromised and end-of-support devices, and apply patches by the stated deadlines. Cisco links the exploitation to the ArcaneDoor campaign, which leverages ROMMON manipulation and in-memory backdoors to maintain persistence.

Cisco warns of ASA firewall zero-days under attack

⚠️ Cisco has warned customers of two actively exploited zero-day vulnerabilities affecting Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) software. CVE-2025-20333 enables authenticated attackers to execute arbitrary code remotely, while CVE-2025-20362 allows remote access to restricted URL endpoints without authentication. Cisco's PSIRT reported attempted exploitation and strongly recommends upgrading to fixed software releases.

ShadowV2 Turns Misconfigured Docker into DDoS Service

🛡️ Darktrace researchers uncovered a ShadowV2 campaign that leverages exposed Docker APIs on AWS EC2 to provision containers and run a Go-based remote access trojan, converting misconfigured cloud containers into distributed DDoS nodes. The attackers create containers on victim hosts rather than importing malicious images, likely to reduce forensic traces, and use the Python Docker SDK to interact with exposed daemons. ShadowV2 operators employ advanced techniques including HTTP/2 rapid reset and Cloudflare evasion, and the platform includes APIs, a Tailwind/FastAPI UI and operator logins that turn botnet control into a commercialized DDoS-as-a-Service offering.

CISA Orders Federal Agencies to Mitigate Cisco ASA Zero-Day

🛡️ CISA issued Emergency Directive 25-03 directing federal civilian agencies to identify and mitigate exploitation of a zero-day affecting Cisco Adaptive Security Appliances (ASA). Agencies must inventory in-scope devices, collect forensic data, and assess compromises using CISA-provided procedures and tools. End-of-support devices must be disconnected and remaining appliances upgraded by 11:59 PM EST on September 26, 2025; CISA will monitor compliance and provide assistance.

Chinese Group Uses BRICKSTORM Backdoor Against US Firms

⚠️ Google Threat Intelligence Group says a Chinese-aligned cluster has used the BRICKSTORM backdoor in intrusion campaigns since at least March 2025 against US legal and technology firms, SaaS providers and outsourcing companies. Attackers focused on harvesting emails and files from key individuals and establishing long-term footholds. The group, tracked as UNC5221, exploited zero-days, deployed BRICKSTORM on VMware appliances, and used credential theft and persistence mechanisms to evade detection. Google and partners have published detection guidance and a Mandiant scanner script to help identify infections.

Retail at Risk: Single Alert Reveals Persistent Threat

🔍 A single Microsoft Defender alert triggered an investigation that uncovered a persistent cyberthreat against retail customers. Attackers exploited unpatched SharePoint flaws CVE-2025-49706 and CVE-2025-49704 using obfuscated ASPX web shells while also compromising identities through self-service password reset abuse and Microsoft Entra ID reconnaissance. DART swiftly contained the intrusions—removing web shells, isolating Entra ID, deprivileging accounts, and recommending Zero Trust measures, MFA enforcement, timely patching, and EDR deployment.

Cisco warns of IOS and IOS XE SNMP zero-day attacks

🛡️ Cisco released security updates addressing a high-severity zero-day, tracked as CVE-2025-20352, in IOS and IOS XE. The flaw is a stack-based buffer overflow in the SNMP subsystem that allows authenticated remote attackers with low privileges to trigger DoS, and high-privileged actors to execute code as root on affected devices. Cisco reports exploitation in the wild after Administrator credentials were compromised and urges customers to upgrade; as a temporary mitigation it recommends limiting SNMP access to trusted users.

UK Arrests Suspect After RTX MUSE Ransomware Hits Airports

🛫 The UK's National Crime Agency arrested a man in his forties in West Sussex on suspicion of Computer Misuse Act offences linked to a ransomware attack that disrupted airports across Europe. RTX Corporation confirmed the incident affected its Collins Aerospace MUSE passenger processing software, first detected on September 19. The suspect has been released on conditional bail while the probe, supported by the South East ROCU and other agencies, remains in its early stages. Affected customers shifted to backup and manual processes while RTX and external cybersecurity experts work to contain and remediate the impact.

One Weak Password Topples 158-Year-Old Transport Firm

🔒 KNP Logistics Group, a 158-year-old UK transport firm, collapsed after the Akira ransomware group accessed an employee account by guessing a weak password. Attackers bypassed protections by targeting an internet-facing account without MFA, deployed ransomware across the estate, and destroyed backups, halting operations across 500 trucks and precipitating administration and 700 job losses. The incident underscores the urgent need for strong password policies, MFA, and isolated, tested backups.

GitHub Pages SEO Poisoning Delivers Atomic Stealer

🚨 Attackers are creating convincing GitHub Pages that impersonate well-known brands to trick macOS users into installing the Atomic infostealer. Using SEO poisoning, malicious repositories are promoted in search results and funnel victims through multiple redirects to pages that instruct users to paste a Terminal curl command. That command decodes a base64 URL and executes a script that fetches and runs the Atomic payload. LastPass published IoCs and requested takedowns, but warns the campaign remains active.

CISA: Federal Agency Breached via GeoServer RCE Incident

🔒 CISA reported that an unnamed federal civilian agency was breached after actors exploited CVE-2024-36401, an RCE in a public-facing GeoServer, on July 11, 2024. The vendor had patched the flaw on June 30 and CISA added it to the KEV catalogue on July 15; a second GeoServer was compromised on July 24. Attackers deployed open-source tools and web shells such as China Chopper, used living-off-the-land and brute-force techniques, and established persistence. CISA highlighted failures in timely patching, incident-response testing, and continuous EDR monitoring.

State-Sponsored Attacks Exploit Libraesva ESG Vulnerability

⚠️ Libraesva has released an urgent update to address a command injection vulnerability in its ESG email security product that is being exploited by state‑sponsored actors. Tracked as CVE-2025-59689 with a CVSS score of 6.1, the flaw is triggered by a malicious compressed attachment and can execute arbitrary commands as a non‑privileged user. Users should upgrade affected versions (4.5–5.5.x before 5.5.7) to the patched releases immediately.

SolarWinds Patches Third Bypass for Web Help Desk Bug

🔒SolarWinds has issued a third patch for a critical Java deserialization vulnerability in its Web Help Desk product. The vendor describes the new advisory as a patch bypass of CVE-2024-28988, which itself bypassed CVE-2024-28986, and has designated the latest issue CVE-2025-26399. The underlying unsafe Java deserialization flaw in the AjaxProxy component can permit unauthenticated remote code execution and is rated 9.8/10 on the CVSS scale.

Libraesva ESG issues emergency fix for exploited bug

⚠ Libraesva issued an emergency update for ESG to fix a command injection vulnerability (CVE-2025-59689) triggered by a specially crafted compressed email attachment. The flaw allowed arbitrary shell commands to run as a non-privileged user and was confirmed exploited by actors believed to be state-sponsored. Fixed releases were auto-deployed to cloud and on-premise customers; end-of-life versions require manual upgrades.

Nimbus Manticore Intensifies Cyber-Espionage in Europe

🔍 Check Point Research reports that Iranian-linked actor Nimbus Manticore has escalated cyber-espionage operations across Western Europe, with heightened targeting of organizations in Denmark, Sweden and Portugal. Attackers impersonate recruiters and use convincing fake career portals to deliver personalized credentials and malicious archives. The campaign leverages evolved backdoors—first seen as Minibike, now observed as MiniJunk and MiniBrowse—and employs multi-stage DLL sideloading into legitimate Windows binaries, including Microsoft Defender components, alongside valid code-signing certificates and compiler-level obfuscation to evade detection. Infrastructure hosted via Azure App Service and shielded by Cloudflare provides redundancy and rapid command-and-control recovery.