CVE-2021-26081

REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the `/rest/api/latest/user/avatar/temporary` endpoint.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://jira.atlassian.com/browse/JRASERVER-72499	Patch Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-72499	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:atlassian:data_center::::::::
	cpe:2.3:a:atlassian:jira::::::::
	cpe:2.3:a:atlassian:jira_data_center::::::::
	cpe:2.3:a:atlassian:jira_data_center::::::::
	cpe:2.3:a:atlassian:jira_server::::::::
	cpe:2.3:a:atlassian:jira_server::::::::

History

21 Nov 2024, 05:55

Type	Values Removed	Values Added
References	~~() https://jira.atlassian.com/browse/JRASERVER-72499 - Patch, Vendor Advisory~~	() https://jira.atlassian.com/browse/JRASERVER-72499 - Patch, Vendor Advisory

Information

Published : 2021-07-20 04:15

Updated : 2024-11-21 05:55

NVD link : CVE-2021-26081

Mitre link : CVE-2021-26081

CVE.ORG link : CVE-2021-26081

JSON object : View

Products Affected

atlassian

jira_server
jira
data_center
jira_data_center

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-26081", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2021-07-20T04:15:09.683", "references": [{"url": "https://jira.atlassian.com/browse/JRASERVER-72499", "tags": ["Patch", "Vendor Advisory"], "source": "security@atlassian.com"}, {"url": "https://jira.atlassian.com/browse/JRASERVER-72499", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the `/rest/api/latest/user/avatar/temporary` endpoint."}, {"lang": "es", "value": "Una API REST en Atlassian Jira Server y Jira Data Center versiones anteriores a 8.5.14, desde versi\u00f3n 8.6.0 anteriores a 8.13.6, y desde versi\u00f3n 8.14.0 anteriores a 8.16.1, permite a atacantes remotos enumerar nombres de usuario por medio de una vulnerabilidad de Exposici\u00f3n de Datos Confidenciales en el endpoint \"/rest/api/latest/user/avatar/temporary\""}], "lastModified": "2024-11-21T05:55:50.027", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F1FF4CB-8A5A-4C49-8BC7-EDA8E4F7F6F7", "versionEndExcluding": "8.5.14"}, {"criteria": "cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "736F4C0B-A3E6-42A3-88B8-745CDB55DB2B", "versionEndExcluding": "8.5.14"}, {"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "940CC48E-EC7D-42E1-838C-011D1C8CEF31", "versionEndExcluding": "8.13.6", "versionStartIncluding": "8.6.0"}, {"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA85B28C-6370-4D3A-A053-AEC6878971B4", "versionEndExcluding": "8.16.1", "versionStartIncluding": "8.14.0"}, {"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "753A6E31-7EAD-443E-8FC4-D01BB97844D7", "versionEndExcluding": "8.13.6", "versionStartIncluding": "8.6.0"}, {"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "703B1E15-8FC1-42F4-953D-0CF16829AB21", "versionEndExcluding": "8.16.1", "versionStartIncluding": "8.14.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@atlassian.com"}