CVE-2018-21252

An issue was discovered in Mattermost Server before 5.2, 5.1.1, 5.0.3, and 4.10.3. Attackers could use multiple e-mail addresses to bypass a domain-based policy for signups.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 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 NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:P/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

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::::::::
	cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc1::::::
	cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc2::::::
	cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc3::::::
	cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc4::::::
	cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc5::::::
	cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc6::::::

History

21 Nov 2024, 04:03

Type	Values Removed	Values Added
References	~~() https://mattermost.com/security-updates/ - Vendor Advisory~~	() https://mattermost.com/security-updates/ - Vendor Advisory

Information

Published : 2020-06-19 18:15

Updated : 2024-11-21 04:03

NVD link : CVE-2018-21252

Mitre link : CVE-2018-21252

CVE.ORG link : CVE-2018-21252

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

{"id": "CVE-2018-21252", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2020-06-19T18:15:10.677", "references": [{"url": "https://mattermost.com/security-updates/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://mattermost.com/security-updates/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-732"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Mattermost Server before 5.2, 5.1.1, 5.0.3, and 4.10.3. Attackers could use multiple e-mail addresses to bypass a domain-based policy for signups."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Mattermost Server versiones anteriores a 5.2, 5.1.1, 5.0.3 y 4.10.3. Los atacantes podr\u00edan usar m\u00faltiples direcciones de correo electr\u00f3nico para omitir una pol\u00edtica basada en el dominio para las suscripciones"}], "lastModified": "2024-11-21T04:03:17.657", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB47FDC1-2502-4123-B72B-E741AE360939", "versionEndExcluding": "4.10.3"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E77175BB-85E2-4F4D-8BF1-6BD74224CCBD", "versionEndExcluding": "5.0.3", "versionStartIncluding": "5.0.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8EBEC3A7-1291-4C7E-BBA9-88ADB5EBE94D", "versionEndExcluding": "5.1.1", "versionStartIncluding": "5.1.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4278AE6D-09CF-4E82-B728-EDD1DFD6C4D0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "094E718B-6916-4473-A289-5CA8A1291969"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6188A07E-A8A2-4573-9882-7FEF4316D688"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3D223D23-FE0B-44A5-AEC3-F6935AFFBC0D"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3807BAF-FEE4-4A35-8CDA-E3BE991BC117"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.2.0:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5821F28D-E507-446F-98CF-9284A588E8CA"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}