CVE-2013-2135

Apache Struts 2 before 2.3.14.3 allows remote attackers to execute arbitrary OGNL code via a request with a crafted value that contains both "${}" and "%{}" sequences, which causes the OGNL code to be evaluated twice.

Published: 2013-07-16 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2135 is rated High Risk (73/100): CVSS Critical severity, with high exploitation likelihood (EPSS 83.01%, 99th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.08% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-2135

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-27 81.93% 83.01% +1.08%
2 2026-03-04 83.46% 81.93% -1.53%
3 2025-09-05 — 83.46% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2135

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2013-2135

GitHub Security Advisory for CVE-2013-2135

GHSA-pw8r-x2qm-3h5m · Severity: high · Ecosystem: maven — Arbitrary code execution in Apache Struts 2

OS Trackers for CVE-2013-2135

vendor priority summary link
ubuntu medium CVE-2013-2135 medium priority: Ubuntu including 1 source packages (libstruts1.2-java), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): not-affected 5. https://ubuntu.com/security/CVE-2013-2135

Affected software / configurations for CVE-2013-2135

Vendor Product Version Raw CPE
apache struts >= 2.0.0, < 2.3.14.3 cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*

References for CVE-2013-2135

cvelogic Threat Intelligence