All vulnerabilities
CVE-2020-17530

Apache Struts Remote Code Execution Vulnerability

Apache StrutsFrameworks
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)95.9%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 14 Sep 2020Exploit code publicMetasploit
  2. 11 Dec 2020, 01:11 UTCPublishedCVE List
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleApache Struts 2 Forced Multi OGNL Evaluation 14 Sep 2020Metasploit
  • Scanner templateApache Struts 2.0.0-2.5.25 - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Forced Object-Graph Navigation Language (OGNL) evaluation in Apache Struts, when evaluated on raw user input in tag attributes, can lead to remote code execution.

Text from CVE List

Affected versions 1

  • Apache Strutsaffected: Struts 2.0.0 - Struts 2.5.25CVE List

References 10