CVE-2020-13934

Aliases:GHSA-vf77-8h7g-gghpBIT-tomcat-2020-13934
Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 14 Jul 2020, 14:59
Last modified:04 Aug 2024, 12:32

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
23.38% HIGH
23% probability -0.48%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Jul 2020, 14:59
Published
Vulnerability first disclosed
04 Aug 2024, 12:32
Last Modified
Vulnerability information updated

Description

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 OutOfMemoryException could occur leading to a denial of service.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 23.38%• Percentile: 96%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • Unknown•Tomcat

    ≥ 8.5.1, ≤ 8.5.56 | ≥ 9.0.1, ≤ 9.0.36 | 9.0.0:milestone10 | 9.0.0:milestone11 | 9.0.0:milestone12 | 9.0.0:milestone13 | 9.0.0:milestone14 | 9.0.0:milestone15 | 9.0.0:milestone16 | 9.0.0:milestone17 | 9.0.0:milestone18 | 9.0.0:milestone19 | 9.0.0:milestone20 | 9.0.0:milestone21 | 9.0.0:milestone22 | 9.0.0:milestone23 | 9.0.0:milestone24 | 9.0.0:milestone25 | 9.0.0:milestone26 | 9.0.0:milestone27 | 9.0.0:milestone5 | 9.0.0:milestone6 | 9.0.0:milestone7 | 9.0.0:milestone8 | 9.0.0:milestone9 | 10.0.0:milestone1 | 10.0.0:milestone2 | 10.0.0:milestone3 | 10.0.0:milestone4 | 10.0.0:milestone5 | 10.0.0:milestone6

  • canonical•ubuntu_linux

    20.04

  • debian•debian_linux

    9.0 | 10.0

  • org.apache.tomcat•tomcat

    ≥ 10.0.0-M1, < 10.0.0-M6 | ≥ 9.0.0.M5, < 9.0.36 | ≥ 8.5.1, < 8.5.56

  • org.apache.tomcat•tomcat-coyote

    ≥ 10.0.0-M1, < 10.0.0-M6 | ≥ 9.0.0.M5, < 9.0.36 | ≥ 8.5.1, < 8.5.56

  • netapp•oncommand_system_manager

    ≥ 3.0.0, ≤ 3.1.3

  • opensuse•leap

    15.1 | 15.2

  • oracle•agile_engineering_data_management

    6.2.1.0

  • oracle•agile_plm

    9.3.3 | 9.3.5 | 9.3.6

  • oracle•communications_instant_messaging_server

    10.0.1.5.0

  • oracle•fmw_platform

    12.2.1.3.0 | 12.2.1.4.0

  • oracle•instantis_enterprisetrack

    17.1 | 17.2 | 17.3

  • oracle•managed_file_transfer

    12.2.1.3.0 | 12.2.1.4.0

  • oracle•mysql_enterprise_monitor

    ≤ 8.0.21

  • oracle•siebel_ui_framework

    ≤ 20.12

  • oracle•workload_manager

    12.2.0.1 | 18c | 19c

References (18)