CVE-2021-22894 on CISA KEV

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.

01What CISA says about this vulnerability

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.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• kb.pulsesecure.net — https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z0000…

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / Pulse Connect Secure	Fixed version 9.1R11.4

06Detection

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