ExploitedIn CISA KEVFix available

CVE-2013-2251

Q: Is CVE-2013-2251 actively exploited?

Yes. CVE-2013-2251 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-04-15.

Q: What is the CVSS score for CVE-2013-2251?

CVE-2013-2251 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Exploitation confirmed. First attested on 2022-03-25 by CISA-ADP, CISA KEV, GCVE · kevintel, GCVE · shadowserver.

Published2013-07-20
Fixed in1.3.8
WeaknessCWE-74

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2013-07-2003:37CVE publishedNVD
2022-03-25Listed as exploited by GCVEGCVE
2022-03-25Exploitation first reportedCISA KEV
2022-03-25Added to the CISA KEV catalogCISA KEV
2025-02-0713:24SSVC exploitation set to activeCISA-ADP
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2013-2251?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2013-2251?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Apache archiva

Branch	Affected	Fixed in	Source
1.3	≥ 1.3, < 1.3.8	1.3.8	NVD
1.2	= 1.2	no fix published	NVD
1.2	= 1.2.2	no fix published	NVD

Oracle siebel apps - e-billing

Branch	Affected	Fixed in	Source
6.1	= 6.1	no fix published	NVD
6.1	= 6.1.1	no fix published	NVD
6.2	= 6.2	no fix published	NVD

Fujitsu interstage business process manager analyticsversion to verify

Branch	Affected	Fixed in	Source
12.0	= 12.0	no fix published	NVD
12.1	= 12.1	no fix published	NVD

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Apache archiva to 1.3.8
CISA’s required action: Apply updates per vendor instructions.due 2022-04-15

Advisories and patches

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiednth347/struts2-CVE-2013-2251

CISA Known Exploited Vulnerability

Date Added: 2022-03-25
Patch Due Date: 2022-04-15
Ransomware Use: Unknown
Required Action: Apply updates per vendor instructions.

Sources

CISA KEVKEV entry2022-03-25
GCVEexploitation2022-03-25
CISA-ADPSSVC decisionactive2025-02-07
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.19.82025-02-07
NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
CISA-ADPweakness (CWE)CWE-742025-02-07
NVDweakness (CWE)CWE-74read 2026-10-23
FIRST EPSSEPSS score99.9 %read 2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2013-07-20
Last Modified: 2026-06-16
NVD status: Analyzed

Frequently asked questions

What is 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.

Is CVE-2013-2251 actively exploited?

Yes. CVE-2013-2251 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-04-15.

What is the CVSS score for CVE-2013-2251?

CVE-2013-2251 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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