Vulnerability in Apache Tomcat
CVE-2020-1938
When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. If such connections are…
EPSS: 0.993 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Tomcat — versions Apache Tomcat 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50, 7.0.0 to 7.0.99
- Apache Geode — versions 1.12.0
- Apache Tomcat
- Blackberry Good_control
- Blackberry Workspaces_server — versions 7.0.1, 7.1.2, 8.1.0
- Netapp Data_availability_services
- Netapp Oncommand_system_manager
- Oracle Agile_engineering_data_management — versions 6.2.1.0
- Oracle Agile_plm — versions 9.3.3, 9.3.5, 9.3.6
- Oracle Communications_element_manager — versions 8.1.1, 8.2.0, 8.2.1
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
- 00theway/Ghostcat-CNVD-2020-10487
- lizhianyuguangming/TomcatScanPro
- bkfish/CNVD-2020-10487-Tomcat-Ajp-lfi-Scanner
- tpt11fb/AttackTomcat
- sv3nbeast/CVE-2020-1938-Tomact-file_include-file_read
- xindongzhuaizhuai/CVE-2020-1938
- laolisafe/CVE-2020-1938
- Hancheng-Lei/Hacking-Vulnerability-CVE-2020-1938-Ghostcat
- woaiqiukui/CVE-2020-1938TomcatAjpScanner
- fairyming/CVE-2020-1938
References
- security@apache.org (Vendor Advisory, mailing-list, x_refsource_MLIST, Mailing List)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List)
- security@apache.org (mailing-list, x_refsource_MLIST, Patch, Mailing List)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List)
- security@apache.org (mailing-list, x_refsource_MLIST, Exploit, Mailing List)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Issue Tracking)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List)
Frequently asked questions
- What is CVE-2020-1938?
- CVE-2020-1938 is a critical-severity vulnerability in Apache Tomcat. CVSS score: 9.8/10. Published 2020-02-24.
- How severe is CVE-2020-1938?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-1938 known to be exploited?
- Yes. CVE-2020-1938 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 286 public proof-of-concept repositories are indexed.