CVE-2023-50455

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://zammad.com/en/advisories/zaa-2023-06	Vendor Advisory
https://zammad.com/en/advisories/zaa-2023-06	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	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::::::

History

21 Nov 2024, 08:37

Type	Values Removed	Values Added
References	~~() https://zammad.com/en/advisories/zaa-2023-06 - Vendor Advisory~~	() https://zammad.com/en/advisories/zaa-2023-06 - Vendor Advisory

13 Dec 2023, 18:03

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-12-10 19:15

Updated : 2024-11-21 08:37

NVD link : CVE-2023-50455

Mitre link : CVE-2023-50455

CVE.ORG link : CVE-2023-50455

JSON object : View

Products Affected

zammad

zammad

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

{"id": "CVE-2023-50455", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2023-12-10T19:15:07.580", "references": [{"url": "https://zammad.com/en/advisories/zaa-2023-06", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://zammad.com/en/advisories/zaa-2023-06", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "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)."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Zammad antes de la versi\u00f3n 6.2.0. Debido a la falta de limitaci\u00f3n de velocidad en la funci\u00f3n \"verificaci\u00f3n de direcci\u00f3n de correo electr\u00f3nico\", un atacante podr\u00eda enviar muchas solicitudes a una direcci\u00f3n conocida para provocar una denegaci\u00f3n de servicio (generaci\u00f3n de muchos correos electr\u00f3nicos, que tambi\u00e9n enviar\u00edan spam a la v\u00edctima)."}], "lastModified": "2024-11-21T08:37:01.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:zammad:zammad:6.1.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A246CC7D-8B52-43CC-A4F6-7E6C63D56740"}, {"criteria": "cpe:2.3:a:zammad:zammad:6.1.0:alpha:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "226C3449-B353-4B93-AC0E-F9D6367FC962"}, {"criteria": "cpe:2.3:a:zammad:zammad:6.2.0:alpha:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "98188727-1BBE-4691-8968-5E7047F19793"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}