CVE-2020-17530 on CISA KEV

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.

01What CISA says about this vulnerability

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.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• cwiki.apache.org — https://cwiki.apache.org/confluence/display/WW/S2-061
• jvn.jp — http://jvn.jp/en/jp/JVN43969166/index.html
• www.oracle.com — https://www.oracle.com/security-alerts/cpujan2021.html
• packetstormsecurity.com — http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Ev…
• security.netapp.com — https://security.netapp.com/advisory/ntap-20210115-0005/
• www.oracle.com — https://www.oracle.com/security-alerts/cpuApr2021.html
• www.oracle.com — https://www.oracle.com//security-alerts/cpujul2021.html
• www.oracle.com — https://www.oracle.com/security-alerts/cpuoct2021.html
• www.oracle.com — https://www.oracle.com/security-alerts/cpujan2022.html
• www.openwall.com — http://www.openwall.com/lists/oss-security/2022/04/12/6
• www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2022.html

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
Apache Software Foundation	Apache Struts	Struts 2.0.0 - Struts 2.5.25

06Detection

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