CVE-2021-22899
Published: November 3, 2021
Official 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.
CISA KEV Advisory
Ivanti Pulse Connect Secure Command Injection Vulnerability
Ivanti Pulse Connect Secure contains a command injection vulnerability that allows remote authenticated users to perform remote code execution via Windows File Resource Profiles.
Apply updates per vendor instructions.
Risk Analysis
Ivanti Pulse Connect Secure contains a command injection vulnerability that allows authenticated remote users to execute code. This is a high-severity flaw with a high EPSS score, indicating a significant risk of exploitation.
This vulnerability is actively exploited in the wild and is listed in CISA's KEV catalog, confirming its real-world impact.
Apply the latest security updates and patches for Ivanti Pulse Connect Secure. Review and restrict access to Windows File Resource Profiles to authorized users only.
Technical Analysis
CVE-2021-22899 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2021-22899 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-22899 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1