CVE-2021-22900 on CISA KEV

A vulnerability allowed multiple unrestricted uploads in Pulse Connect Secure before 9.1R11.4 that could lead to an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.

01What CISA says about this vulnerability

A vulnerability allowed multiple unrestricted uploads in Pulse Connect Secure before 9.1R11.4 that could lead to an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.

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 Secure Secure	Fixed in 9.1R11.4

06Detection

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