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CVE-2020-13935

Apache Tomcat

The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is reachable over a network, without needing local access.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, no account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
7.5 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-835
Assigned by
security@apache.org

Dates

Published
2020-07-14
Last modified
2026-08-25
Sources
NVD

Affected products

  • Apache Tomcat7.0.27 - 7.0.104, 8.5.0 - 8.5.56, 9.0.1 - 9.0.36, 9.0.0, 10.0.0
  • Debian Debian Linux9.0, 10.0
  • Netapp Oncommand System Manager3.0.0 - 3.1.3
  • Opensuse Leap15.1, 15.2
  • Canonical Ubuntu Linux16.04, 20.04
  • Mcafee Epolicy Orchestrator5.9.0, 5.9.1, 5.10.0
  • Oracle Agile Engineering Data Management6.2.1.0
  • Oracle Agile Product Lifecycle Management9.3.3, 9.3.5, 9.3.6
  • Oracle Blockchain Platform- 21.1.2
  • Oracle Commerce Guided Search11.3.2
  • Oracle Communications Cloud Native Core Policy1.14.0
  • Oracle Communications Instant Messaging Server10.0.1.5.0

As listed in the NVD configuration data. Not a statement about your estate.

References