CVE-2023-1774

When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.

CVSS v3 4.2 MEDIUM

4.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

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:7.7.1:::::::*

History

21 Nov 2024, 07:39

Type	Values Removed	Values Added
References	~~() https://mattermost.com/security-updates/ - Vendor Advisory~~	() https://mattermost.com/security-updates/ - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~5.4~~	v2 : unknown v3 : 4.2

07 Nov 2023, 04:04

Type	Values Removed	Values Added
Summary	~~When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.~~	When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.

Information

Published : 2023-03-31 12:15

Updated : 2024-11-21 07:39

NVD link : CVE-2023-1774

Mitre link : CVE-2023-1774

CVE.ORG link : CVE-2023-1774

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-862

Missing Authorization

{"id": "CVE-2023-1774", "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.2, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "published": "2023-03-31T12:15:06.650", "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-862"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.\n\n\n"}], "lastModified": "2024-11-21T07:39:52.903", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "68480D55-9BBC-46E3-8DE9-A2F13F2F8853", "versionEndExcluding": "7.1.6"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:7.7.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB8E1831-9267-467F-A646-84052F0A3FAE"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}