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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.969 (99.9th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.974 · newest: 0.969 · change: -0.005
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
- Apache Struts — versions Apache Struts 2.0.0 to 2.5.20
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cwiki.apache.org/confluence/display/ww/s2-059 (Vendor Advisory)
- www.oracle.com/security-alerts/cpujan2021.html (Patch, Third Party Advisory)
- packetstormsecurity.com/files/160108/Apache-Struts-2.5.20-Double-OGNL-Evaluatio… (Exploit, VDB Entry, Third Party Advisory)
- launchpad.support.sap.com/ (Permissions Required)
- packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluati… (Exploit, VDB Entry, Third Party Advisory)
- lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da… (mailing-list)
- lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e46… (mailing-list)
- www.oracle.com/security-alerts/cpuApr2021.html (Patch, Third Party Advisory)
- www.oracle.com/security-alerts/cpuoct2021.html (Patch, Third Party Advisory)
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.