Prototype Pollution in Apache Struts
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 lead to remote code execution.
Vulnerability class: Prototype Pollution
EPSS: 0.974 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Struts
- Oracle Communications_policy_management — versions 12.5.0
- Oracle Financial_services_data_integration_hub — versions 8.0.3, 8.0.6
- Oracle Financial_services_market_risk_measurement_and_management — versions 8.0.6
- Oracle Mysql_enterprise_monitor
- N/a Apache Struts — versions Apache Struts 2.0.0 to 2.5.20
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (x_refsource_MISC, Vendor Advisory)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
- security@apache.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- security@apache.org (Permissions Required, x_refsource_MISC)
- security@apache.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-0230?
- CVE-2019-0230 is a critical-severity vulnerability in Apache Struts, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2020-09-14.
- How severe is CVE-2019-0230?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-0230 known to be exploited?
- 56 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.