CVE-2021-42091

9.1 criticalEPSS 1.1%

Critical (9.1) in zammad zammad. EPSS 1.1% chance of exploitation in the next 30 days.

An issue was discovered in Zammad before 4.1.1. SSRF can occur via GitHub or GitLab integration.

Severity

9.1 critical

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2021-10-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19