VULNERABILITY INTELLIGENCE
CVE-2023-50455
CVSS score7.5 HIGH
EPSS probability0.70%
CISA KEVNot currently listed
Published2023-12-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
An issue was discovered in Zammad before 6.2.0. Due to lack of rate limiting in the "email address verification" feature, an attacker could send many requests for a known address to cause Denial Of Service (generation of many emails, which would also spam the victim).
Weakness classification
- nvd@nist.gov: CWE-770
Primary references
- cve@mitre.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory