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

criticalknown exploitedCVE-2021-22899
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Ivanti Pulse Connect Secure contains a command injection vulnerability that allows remote authenticated users to perform remote code execution via Windows File Resource Profiles.

CSIRTS triage

vendor: Ivantiproduct: Pulse Connect SecureRemote code execution
What
Ivanti Pulse Connect Secure contains a command injection vulnerability that allows remote authenticated users to perform remote code execution.
Who is affected
Authenticated users of Ivanti Pulse Connect Secure.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Patch to the latest version of Pulse Connect Secure.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-22899

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-22899coverage & exploitation statusNVD · CVE.org

Recent advisories for Ivanti Pulse Connect

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Known Exploited Vulnerabilities