CVE-2021-22893: Ivanti Pulse Connect Secure Use-After-Free Vulnerability
Critical · CVSS 10.0 (CVSS 3.1)KEV known exploitedEPSS 47.2%, 99th percentilePublished Updated Assigner: hackerone
In CISA’s Known Exploited Vulnerabilities catalog: Ivanti Pulse Connect Secure Use-After-Free Vulnerability.
Added , federal remediation due . Known ransomware use: Known.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H · CWE-287
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Pulse Connect Secure
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- blog.pulsesecure.net/pulse-connect-secure-security-update/ (opens in new tab)
- kb.cert.org/vuls/id/213092 (opens in new tab)
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/ (opens in new tab)
- www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-tec… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)