CVE-2021-22893

Vulnerability ID

CVE-2021-22893

Severity

CRITICAL

Severity Score

10.0

Summary

Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the Pulse Connect Secure gateway. This vulnerability has been exploited in the wild.

References

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/

https://www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.html

https://kb.cert.org/vuls/id/213092

https://blog.pulsesecure.net/pulse-connect-secure-security-update/

Mitigation and Patches

-

Exploits

https://github.com/ZephrFish/CVE-2021-22893_HoneyPoC2

https://github.com/orangmuda/CVE-2021-22893

https://github.com/Mad-robot/CVE-2021-22893

https://github.com/ZephrFish/CVE-2021-22893