NULL pointer dereference in Apache Tomcat
CVE-2020-13934
An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryE…
EPSS: 0.641 (99.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apache Tomcat — versions 9.0.0, 10.0.0
- 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_instant_messaging_server — versions 10.0.1.5.0
- Oracle Fmw_platform — versions 12.2.1.3.0, 12.2.1.4.0
- Oracle Instantis_enterprisetrack — versions 17.1, 17.2, 17.3
- Oracle Managed_file_transfer — versions 12.2.1.3.0, 12.2.1.4.0
- Oracle Mysql_enterprise_monitor
- Oracle Siebel_ui_framework
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (Mailing List, x_refsource_MISC, Release Notes, Vendor Advisory)
- security@apache.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@apache.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-13934?
- CVE-2020-13934 is a high-severity vulnerability in Apache Tomcat, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2020-07-14.
- How severe is CVE-2020-13934?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-13934 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.