CVE-2020-10101

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20 CWE-755

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://zammad.com/news/security-advisory-zaa-2020-06Patch, Vendor Advisory
https://zammad.com/news/security-advisory-zaa-2020-06Patch, Vendor Advisory

Timeline

Published: Mar 5, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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