VULNERABILITY INTELLIGENCE

CVE-2020-10101

CVSS score7.5 HIGH
EPSS probability1.09%
CISA KEVNot currently listed
Published2020-03-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

An issue was discovered in Zammad 3.0 through 3.2. The WebSocket server crashes when messages in non-JSON format are sent by an attacker. The message format is not properly checked and parsing errors not handled. This leads to a crash of the service process.

Weakness classification

  • CWE-20: Improper Input Validation
  • CWE-755: Improper Handling of Exceptional Conditions

Primary references