SSRF in Zammad

CVE-2020-26032

An SSRF issue was discovered in Zammad before 3.4.1. The SMS configuration interface for Massenversand is implemented in a way that renders the result of a test request to the User. An attacker can use this to request any URL via a GET request from the network interface of the server. This may lead to disclosure of information from intranet systems.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.011 (61.3th 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:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-26032?
CVE-2020-26032 is a high-severity vulnerability in Zammad, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2020-12-28.
How severe is CVE-2020-26032?
High severity. CVSS v3 base score is 7.5 out of 10.