CVE-2023-31597

6.5 mediumEPSS 0.4%

Medium (6.5) in zammad zammad. EPSS 0.4% chance of exploitation in the next 30 days.

An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2023-05-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zammad:zammad

References

https://zammad.com/de/advisories/zaa-2023-03
https://zammad.com/de/advisories/zaa-2023-03

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