CVE-2021-22899: Ivanti Pulse Connect Secure Command Injection Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Ivanti Pulse Connect Secure contains a command injection vulnerability that allows remote authenticated users to perform remote code execution via Windows File Resource Profiles.

Required action (CISA)

Apply updates per vendor instructions.

Notes

Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2021-22899

Weakness behind it

CISA records this vulnerability as an instance of CWE-77. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-22899
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog