Servers and applications
CVE-2013-2251
Apache Struts 2.0.0 through 2.3.15 allows remote attackers to execute arbitrary OGNL expressions via a parameter with a crafted (1) action:, (2) redirect:, or (3) redirectAction: prefix.
Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022.
- Severity
- Critical 9.8
- Published
- 20 Jul 2013
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 100% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- Injection (CWE-74)
- Attack
- Over the network · No login needed · No user action needed
- Attacker can
- Read data · Change data · Take it down
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
Apache StrutsServers and applications · cpe:a:apache:struts |
|
Known exploited
- CISA name
- Apache Struts Improper Input Validation Vulnerability
- Required action
- Apply updates per vendor instructions.
- Due for US agencies
- 15 Apr 2022
- Used in ransomware
- Not known