Home/CVE/Apache Struts 2 before 2.3.14.3 allows remote attackers to execute arbitrary OGNL code via a request with a crafted valu
CVE

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 valu

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.

HIGH · CVSS 9.3 EPSS 0.83013
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
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Affected Products & Versions

1
apache struts>= 2.0.0 and < 2.3.14.3
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Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.apache.struts.xwork:xwork-core HIGH fixed in 2.3.14.3
Maven org.apache.struts:struts2-core HIGH fixed in 2.3.14.3
◈

Detection Rules (IDS/IPS)

2
et-openET WEB_SERVER Possible Apache Struts OGNL Expression Injectionweb-application-attack
et-openET WEB_SERVER Possible Apache Struts OGNL in Dynamic Actionattempted-user
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.3
HIGH · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published to NVD16 Jul 2013 · 06:55 PM
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://struts.apache.org/development/2.x/docs/s2-015.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2013-1899837.htmlThird Party Advisory
http://www.securityfocus.com/bid/64758Third Party AdvisoryVDB Entry
https://cwiki.apache.org/confluence/display/WW/S2-015Vendor Advisory
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