Improper input validation in Zammad

CVE-2020-10101

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.011 (62.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-10101?
CVE-2020-10101 is a high-severity vulnerability in Zammad, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-03-05.
How severe is CVE-2020-10101?
High severity. CVSS v3 base score is 7.5 out of 10.