Risk Letters

Exploited vulnerability

CVE-2020-17530

TLP:CLEAR

Apache Struts Remote Code Execution Vulnerability

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.

Facts

  • Vendor: Apache
  • Product: Struts
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 96.3 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • CISA's deadline for US federal agencies: 3 May 2022
  • Weakness: CWE-917
  • First seen by Risk Letters: 3 November 2021

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD