All vulnerabilities
CVE-2020-1938

Apache Tomcat Improper Privilege Management Vulnerability

Apache TomcatWeb servers
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 3 Mar 2022CISA KEV
Exploit odds (EPSS)99.3%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline17 Mar 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. 20 Feb 2020Exploit code publicMetasploit
  2. 24 Feb 2020, 21:19 UTCPublishedCVE List
  3. 3 Mar 2022Added to CISA KEVCISA KEV

Public exploit code and templates 4

  • Auxiliary moduleApache Tomcat AJP File Read 20 Feb 2020Metasploit
  • Webapps exploitApache Tomcat - AJP 'Ghostcat File Read/Inclusion 20 Feb 2020Exploit-DB
  • Webapps exploitApache Tomcat - AJP 'Ghostcat' File Read/Inclusion (Metasploit) 13 Nov 2020Exploit-DB
  • Scanner templateGhostcat - Apache Tomcat - AJP File Read/Inclusion VulnerabilityNuclei

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

Description

Apache Tomcat treats Apache JServ Protocol (AJP) connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attacker, they can be exploited.

Text from CVE List

Affected versions 3

  • Apache Tomcataffected: Apache Tomcat 9.0.0.M1 to 9.0.0.30CVE List
  • Apache Tomcataffected: 8.5.0 to 8.5.50CVE List
  • Apache Tomcataffected: 7.0.0 to 7.0.99CVE List

References 50