Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
• EPSS: 41% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

A buffer overflow vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room.

CISA: Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784Broken LinkVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource