CRITICAL
CVE-2020-17530
CVSS
9.8
KEV
Description
Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.
Summary dbcve.org
OGNL injection vulnerability in Apache Struts 2 where raw user input in tag attributes is evaluated as OGNL expressions, allowing attackers to execute arbitrary code on the server. This is a critical remote code execution flaw affecting Struts versions 2.0.0 through 2.5.25.
Mitigation
Upgrade Apache Struts to version 2.5.26 or later to patch the vulnerability. Additionally, avoid using raw user-supplied input directly in Struts tag attributes and implement proper input validation.
Weakness (CWE)
CWE-917
EPSS Score
95.93%
Probability of exploitation in next 30 days
99.9th percentile
References
http://jvn.jp/en/jp/JVN43969166/index.html
Third Party Advisory
http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html
Third Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2022/04/12/6
Mailing List, Third Party Advisory
https://cwiki.apache.org/confluence/display/WW/S2-061
Vendor Advisory
https://security.netapp.com/advisory/ntap-20210115-0005/
Patch, Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
Patch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html
Patch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html
Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html
Patch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html
Patch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
Patch, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17530
US Government Resource
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.