Vulnerability Monitor

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CVE-2020-11993

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above "info" will mitigate this vulnerability for unpatched servers.

Published

2020-08-07T16:15:11.887

Last Modified

2025-05-01T15:40:19.830

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-444
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application apache http_server < 2.4.44 Yes
Application netapp clustered_data_ontap - Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Operating System canonical ubuntu_linux 20.04 Yes
Operating System opensuse leap 15.1 Yes
Operating System opensuse leap 15.2 Yes
Operating System debian debian_linux 10.0 Yes
Operating System fedoraproject fedora 31 Yes
Operating System fedoraproject fedora 32 Yes
Application oracle communications_element_manager ≤ 8.2.2 Yes
Application oracle communications_session_report_manager ≤ 8.2.2 Yes
Application oracle communications_session_route_manager ≤ 8.2.2 Yes
Application oracle enterprise_manager_ops_center 12.4.0.0 Yes
Application oracle hyperion_infrastructure_technology 11.1.2.4 Yes
Application oracle instantis_enterprisetrack 17.1 Yes
Application oracle instantis_enterprisetrack 17.2 Yes
Application oracle instantis_enterprisetrack 17.3 Yes
Application oracle zfs_storage_appliance_kit 8.8 Yes
References