CVE-2004-0210
Published: March 3, 2022
Official Description
A privilege elevation vulnerability exists in the POSIX subsystem. This vulnerability could allow a logged on user to take complete control of the system.
CISA KEV Advisory
Microsoft Windows Privilege Escalation Vulnerability
A privilege elevation vulnerability exists in the POSIX subsystem. This vulnerability could allow a logged on user to take complete control of the system.
Apply updates per vendor instructions.
Risk Analysis
This privilege elevation vulnerability in the POSIX subsystem allows a logged-on user to take complete control of the system. While a CVSS score is not available, its HIGH severity and inclusion in CISA's KEV catalog with an EPSS score of 0.03667 indicate a significant risk of exploitation.
This vulnerability is actively being exploited in the wild, as confirmed by its presence in CISA's KEV catalog. Exploitation requires a logged-on user.
Apply the latest security updates for the affected operating system. Implement strong access controls and enforce the principle of least privilege for all user accounts.
Technical Analysis
CVE-2004-0210 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-2004-0210 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
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2004-0210 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