CVE-2020-10101

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CVSS 3.1

7.5 high

EPSS

1%p63

Published

Mar 5, 2020 (Mar 5, 2020)

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.

Vendors: zammad
Products: zammad
Weakness: CWE-20, CWE-755
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.1%)

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