EUVD-2025-9495

Malicious code in bioql PyPI...

Lorenz Ransomware Exploit Mitel VoIP Systems to Breach Business Networks

The operators behind the Lornenz ransomware operation have been observed exploiting a now-patched critical security flaw in Mitel MiVoice Connect to obtain a foothold into target environments for follow-on malicious activities. "Initial malicious activity originated from a Mitel appliance sitting...

CISA Warns of Active Exploitation of 'PwnKit' Linux Vulnerability in the Wild

The U.S. Cybersecurity and Infrastructure Security Agency CISA this week moved to add a Linux vulnerability dubbed PwnKit to its Known Exploited Vulnerabilities Catalog, citing evidence of active exploitation. The issue, tracked as CVE-2021-4034 CVSS score: 7.8, came to light in January 2022 and...

Mitel VoIP Bug Exploited in Ransomware Attacks

Ransomware groups are abusing unpatched versions of a Linux-based Mitel VoIP Voice over Internet Protocol application and using it as a springboard plant malware on targeted systems. The critical remote code execution RCE flaw, tracked as CVE-2022-29499, was first report by Crowdstrike in April a...

Hackers Exploit Mitel VoIP Zero-Day in Likely Ransomware Attack

A suspected ransomware intrusion attempt against an unnamed target leveraged a Mitel VoIP appliance as an entry point to achieve remote code execution and gain initial access to the environment. The findings come from cybersecurity firm CrowdStrike, which traced the source of the attack to a...

ACME-mitel.txt

There is an interesting bug in a Mitel's servers for Voice over IP that allows to discover the numbers called and the numbers calling trought this dhcp server. This server is configurable via http interface and via telnet; in this case, if there is a call at moment of login/pass request, I've not...