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CVE

CVE-2019-0230

Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation, when evaluated on raw user input in tag attributes, may lea

Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution.

CRITICAL · CVSS 9.8 EPSS 0.93849
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
▤

Affected Products & Versions

5
apache struts>= 2.0.0 and <= 2.5.20
oracle communications policy managementall versions
oracle financial services data integration huball versions
oracle financial services market risk measurement and managementall versions
oracle mysql enterprise monitor<= 8.0.23
▤

Affected Packages

1
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:struts2-core CRITICAL fixed in 2.5.22
⚠

Public Exploits & PoCs

4
remoteApache Struts 2.5.20 - Double OGNL evaluation2020-11-17
nucleiApache Struts <=2.5.20 - Remote Code Executioncritical
pocpacketstormsecurity.com · Apache-Struts-2.5.20-Double-OGNL-Evaluation.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · Apache-Struts-2-Forced-Multi-OGNL-Evaluation.htmlpacketstormsecurity.com
◈

Detection Rules (IDS/IPS)

1
et-openET WEB_SPECIFIC_APPS Possible Apache Struts OGNL Remote Code Execution Inbound (CVE-2019-0230)attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Sep 2020 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cwiki.apache.org/confluence/display/ww/s2-059Vendor Advisory
https://launchpad.support.sap.com/#/notes/2982840Permissions Required
https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E
https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlPatchThird Party Advisory
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