Critical severity10.0CISA KEVNVD Advisory· Published Apr 23, 2021· Updated Aug 12, 2026
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
38cpe:2.3:a:ivanti:connect_secure:9.0:-:*:*:*:*:*:*+ 35 more
- cpe:2.3:a:ivanti:connect_secure:9.0:-:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r2.1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r2:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r3.1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r3.2:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r3.3:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r3.5:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r3:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r4.1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r4:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r5.0:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.0:r6.0:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r10.0:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r10.2:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r11.0:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r11.1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r8.4:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r9.1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r9.2:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:*
- Pulse Connect Secure/Pulse Connect Securedescription
- Range: 9.0R3/9.1R1 and higher
Patches
Vulnerability mechanics
References
6- blog.pulsesecure.net/pulse-connect-secure-security-update/nvdVendor Advisory
- kb.cert.org/vuls/id/213092nvdThird Party AdvisoryUS Government Resource
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/nvdBroken LinkVendor Advisory
- www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.htmlnvdThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
- www.kb.cert.org/vuls/id/213092nvdUS Government Resource
News mentions
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