CVE-2023-4478

Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://mattermost.com/security-updates	Vendor Advisory
https://mattermost.com/security-updates	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server:8.0.0:::::::*

History

21 Nov 2024, 08:35

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-08-25 10:15

Updated : 2024-11-21 08:35

NVD link : CVE-2023-4478

Mitre link : CVE-2023-4478

CVE.ORG link : CVE-2023-4478

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

{"id": "CVE-2023-4478", "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.2, "exploitabilityScore": 3.9}]}, "published": "2023-08-25T10:15:09.687", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["Vendor Advisory"], "source": "responsibledisclosure@mattermost.com"}, {"url": "https://mattermost.com/security-updates", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "description": [{"lang": "en", "value": "CWE-74"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-74"}]}], "descriptions": [{"lang": "en", "value": "Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.\n\n"}, {"lang": "es", "value": "Mattermost no restringe los valores de los par\u00e1metros que toma de la solicitud durante el registro, lo que permite a un atacante registrar a los usuarios como inactivos, bloque\u00e1ndoles as\u00ed el acceso posterior a Mattermost sin que el administrador del sistema active sus cuentas."}], "lastModified": "2024-11-21T08:35:15.067", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F550344-4A29-4354-9AB9-9E9168B81908", "versionEndExcluding": "7.8.9"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "78A07BB1-20D2-41B4-9823-B3EF8CDFC997", "versionEndExcluding": "7.10.5", "versionStartIncluding": "7.9.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:8.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E47E76CA-0C92-4039-8448-D6618DF531CD"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}

4.3 /10