CVSS 3.1
10.0 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HCVE-2021-22893
Critical (10.0) in Ivanti Pulse Connect Secure. In CISA KEV since 2021-11-03, with known ransomware use. EPSS 47% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 47% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2021-11-03, due 2022-05-03, known ransomware use
- CWEs
- CWE-416, CWE-287
- Published
- Modified
- Record from
- the NVD, synced
Affected
- ivanti:connect_secure
References
- https://blog.pulsesecure.net/pulse-connect-secure-security-update/
- https://kb.cert.org/vuls/id/213092
- 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://blog.pulsesecure.net/pulse-connect-secure-security-update/