CVE-2023-43754

Mattermost fails to check whether the “Allow users to view archived channels” setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the “Allow users to view archived channels” setting is disabled.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost:9.1.0:::::::*

History

No history.

Information

Published : 2023-11-27 10:15

Updated : 2023-12-01 21:18

NVD link : CVE-2023-43754

Mitre link : CVE-2023-43754

CVE.ORG link : CVE-2023-43754

JSON object : View

Products Affected

mattermost

mattermost

CWE

NVD-CWE-noinfo CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

{"id": "CVE-2023-43754", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}, {"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:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2023-11-27T10:15:07.657", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["Vendor Advisory"], "source": "responsibledisclosure@mattermost.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "Mattermost fails to check whether the\u00a0 \u201cAllow users to view archived channels\u201d\u00a0 setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the\u00a0\u201cAllow users to view archived channels\u201d setting is disabled.\u00a0\n\n"}, {"lang": "es", "value": "Mattermost no verifica si la configuraci\u00f3n \"Permitir a los usuarios ver canales archivados\" est\u00e1 habilitada durante la visualizaci\u00f3n de vistas previas de enlaces permanentes, lo que permite a los miembros ver vistas previas de enlaces permanentes de canales archivados incluso si la configuraci\u00f3n \"Permitir a los usuarios ver canales archivados\" est\u00e1 deshabilitada."}], "lastModified": "2023-12-01T21:18:42.600", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BAEFCB9C-4CFC-4C2D-B53D-4A1E9B54E744", "versionEndIncluding": "7.8.12"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7CFE72E8-D2A6-4994-88F6-2B04DB413631", "versionEndIncluding": "8.1.3", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF5E1B7D-7237-4464-9873-0A85C80CC76A", "versionEndIncluding": "9.0.1", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:9.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D960BDC-FB30-4112-B1CC-219D1EC32145"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}