Intelligence online17 sources monitored8 actively exploited 7d26 published 24hChecked recently
Vulnerability record

CVE-2020-17530

Apache Struts Remote Code Execution Vulnerability

CriticalExploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Struts, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by May 3, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

ProductVendorAffected versionsFixed inSource
StrutsApache Software Foundation>= 2.0.0, < 2.5.302.5.30KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2020-17530 scored CVSS 9.8: Apache Struts, Apache Struts Remote Code Execution Vulnerability

    CISA lists this as exploited in the wild. Unpatched Struts systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2020-17530: Apache Struts, Apache Struts Remote Code Execution Vulnerability

    An official fix is now available for Apache Struts. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2020-17530
  • jvn.jp http://jvn.jp/en/jp/JVN43969166/index.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html
  • openwall.com http://www.openwall.com/lists/oss-security/2022/04/12/6
  • cwiki.apache.org https://cwiki.apache.org/confluence/display/WW/S2-061
  • security.netapp.com https://security.netapp.com/advisory/ntap-20210115-0005/
  • oracle.com https://www.oracle.com//security-alerts/cpujul2021.html
  • oracle.com https://www.oracle.com/security-alerts/cpuApr2021.html
  • oracle.com https://www.oracle.com/security-alerts/cpuapr2022.html
  • oracle.com https://www.oracle.com/security-alerts/cpujan2021.html
  • oracle.com https://www.oracle.com/security-alerts/cpujan2022.html
  • oracle.com https://www.oracle.com/security-alerts/cpuoct2021.html
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17530