Connect Secure, Policy Secure and ZTA
CVE-2021-22894: Pulse Connect Secure Collaboration Suite Buffer Overflow
A buffer overflow vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Pulse Connect Secure Fixed version 9.1R11 | See the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A buffer overflow vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room.
Exploitation
CISA lists this CVE as exploited in the wild since 3 Nov 2021.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.