Is CVE-2023-50455 actively exploited?

CVE-2023-50455 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2023-50455?

CVE-2023-50455 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2023-50455?

Patch guidance is available from zammad security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-50455.

Fix CVE-2023-50455 - HIGH zammad zammad

Q: Which products are affected by CVE-2023-50455?

3 products: zammad zammad, zammad zammad, zammad zammad.

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).

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-770

Metadata

Primary Vendor: ZAMMAD
Published: 12/10/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

zammad : zammadzammad : zammadzammad : zammad

Remediation Guidance

Executive Summary

Cite this page

CVE-2023-50455. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-50455

View on NIST NVD

CVE-2023-50455 vulnerability