CVE-2021-22894
Actively exploited. CVE-2021-22894 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.
CSIRTS triage
- What
- Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerability that allows remote authenticated users to execute code as the root user via maliciously crafted meeting room.
- Who is affected
- Authenticated users of Ivanti Pulse Connect Secure Collaboration Suite are affected.
- Urgency
- Remediation is urgent due to the critical nature of the vulnerability and its exploitation status.
- Action
- Users should update to the latest version of Pulse Connect Secure.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2021-22894
Get an email if CVE-2021-22894 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2021-22894: Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerabilitycisa-kev · 2021-11-03
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2021-22894)