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Hackers exploit old FortiGate vulnerabilities, use symlink trick to retain limited access to patched devices

Help Net Securityby @zeljkazorz ()3 min read
Analyze CVE-2022-42475 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2022-42475
Unauthenticated Heap Overflow in Fortinet FortiOS/FortiProxy SSL-VPN (Critical RCE)
9.899%KEVRansomwarePoC
KEV
CVE-2023-27997
Pre-Auth Heap Buffer Overflow RCE in Fortinet FortiOS/FortiProxy SSL-VPN
9.886%KEVRansomware
KEV
CVE-2024-21762
Out-of-Bounds Write RCE in Fortinet FortiOS and FortiProxy
9.885%KEVRansomware
KEV

From the original article

3 min read at helpnetsecurity.com

A threat actor that has been using known old FortiOS vulnerabilities to breach FortiGate devices for years has also been leveraging a clever trick to maintain undetected read-only access to them after the original access vector was locked down, Fortinet has revealed on Thursday.

Help Net Security

By @zeljkazorz · helpnetsecurity.com

Read the full article at Help Net Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.