All CVEs
CVE-2021-22893
CRITICAL10.0
CISA KEV
Published 2021-04-23 · Updated 2026-08-12 · Source support@hackerone.com
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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE-287CWE-416
CISA Known-Exploited Vulnerability
Product: Ivanti — Pulse Connect Secure
Name: Ivanti Pulse Connect Secure Use-After-Free Vulnerability
Date added: 2021-11-03 · Due: 2022-05-03
USED IN RANSOMWARE
Required action: Apply updates per vendor instructions.
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/
- 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