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High severity7.5NVD Advisory· Published Dec 10, 2023· Updated Jun 17, 2026

CVE-2023-50455

CVE-2023-50455

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).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5
  • Zammad/Zammad5 versions
    cpe:2.3:a:zammad:zammad:6.1.0:-:*:*:*:*:*:*+ 4 more
    • cpe:2.3:a:zammad:zammad:6.1.0:-:*:*:*:*:*:*
    • cpe:2.3:a:zammad:zammad:6.1.0:alpha:*:*:*:*:*:*
    • cpe:2.3:a:zammad:zammad:6.2.0:alpha:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: <6.2.0

Patches

Vulnerability mechanics

References

1

News mentions

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