Zammad
CVE-2023-50455
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
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).
AnalysisAI
An issue was discovered in Zammad before 6.2.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. 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). Affected products include: Zammad. Version information: before 6.2.0..
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set resource limits, implement rate limiting, validate input sizes.
An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. Rated critical severity (CVS
An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, caused by lack of a protecti
Zammad 5.2.0 is vulnerable to privilege escalation. Rated critical severity (CVSS 9.8), this vulnerability is remotely e
An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in Zammad before 3.4.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in Zammad before 6.3.0. Rated critical severity (CVSS 9.1), this vulnerability is remotely explo
An access control issue in Zammad v5.0.3 allows attackers to write entries to the CTI caller log without authentication.
An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.1), this vulnerability is remotely explo
A CSRF issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. Rated high severity (CVS
An issue was discovered in Zammad before 4.1.1. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitab
Unauthenticated remote information disclosure in Zammad helpdesk system versions before 7.0.1 and 6.5.4 allows attackers
Same technique Denial Of Service
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External POC / Exploit Code
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