Unrated severityCISA KEVNVD Advisory· Published Apr 23, 2021· Updated Oct 21, 2025
CVE-2021-22893
CVE-2021-22893
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Pulse Connect Secure/Pulse Connect Securedescription
- Range: >=9.0R3, >=9.1R1
Patches
Vulnerability mechanics
References
4- blog.pulsesecure.net/pulse-connect-secure-security-update/mitrex_refsource_MISC
- kb.cert.org/vuls/id/213092mitrex_refsource_MISC
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/mitrex_refsource_MISC
- www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.htmlmitrex_refsource_MISC
News mentions
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