CVE-2006-1547
Published: January 21, 2022
Official Description
ActionForm in Apache Struts versions before 1.2.9 with BeanUtils 1.7 contains a vulnerability that allows for denial-of-service (DoS).
CISA KEV Advisory
Apache Struts 1 ActionForm Denial-of-Service Vulnerability
ActionForm in Apache Struts versions before 1.2.9 with BeanUtils 1.7 contains a vulnerability that allows for denial-of-service (DoS).
Apply updates per vendor instructions.
Risk Analysis
Apache Struts ActionForm with BeanUtils 1.7 contains a denial-of-service (DoS) vulnerability. Despite its age, this high-severity flaw has a high EPSS score and confirmed exploitation, indicating it remains a relevant risk.
This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog, confirming its real-world impact.
Organizations using Apache Struts should upgrade to version 1.2.9 or later to mitigate this denial-of-service vulnerability. If upgrading is not feasible, consider implementing rate limiting or other DoS protection measures.
Technical Analysis
CVE-2006-1547 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-2006-1547 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.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2006-1547 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