CVE-2021-35299

7.5 highEPSS 1.1%

High (7.5) in zammad zammad. EPSS 1.1% chance of exploitation in the next 30 days.

Incorrect Access Control in Zammad 1.0.x up to 4.0.0 allows attackers to obtain sensitive information via email connection configuration probing.

Severity

7.5 high

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE: CWE-532
Published: 2021-06-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19