CVE-2021-26081

Published on: 07/19/2021 12:00:00 AM UTC

Last Modified on: 03/30/2022 01:29:00 PM UTC

CVE-2021-26081

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Certain versions of Data Center from Atlassian contain the following vulnerability:

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.

CVE-2021-26081 has been assigned by securit[email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.3 - MEDIUM

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
NETWORK	LOW	NONE	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	LOW	NONE	NONE

CVSS2 Score: 5 - MEDIUM

Access Vector^ⓘ	Access Complexity	Authentication
NETWORK	LOW	NONE
Confidentiality Impact	Integrity Impact	Availability Impact
PARTIAL	NONE	NONE

CVE References

Description	Tags ^ⓘ	Link
[JRASERVER-72499] Username enumeration on Jira Software Server 8.15 - CVE-2021-26081 - Create and track feature requests for Atlassian products.	jira.atlassian.com text/html	MISC jira.atlassian.com/browse/JRASERVER-72499

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Related QID Numbers

150381 Atlassian Jira Multiple Vulnerabilities (JULY 2021)
730144 Atlassian Jira Multiple Vulnerabilities (JRASERVER-72213, JRASERVER-72499)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Atlassian	Data Center	All	All	All	All
Application	Atlassian	Jira	All	All	All	All
Application	Atlassian	Jira Data Center	All	All	All	All
Application	Atlassian	Jira Server	All	All	All	All

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_server:*:*:*:*:*:*:*:*:

No vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@CVEreport	CVE-2021-26081 : REST API in #Atlassian #Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0… twitter.com/i/web/status/1…	2021-07-20 03:29:18
@SecRiskRptSME	RT: CVE-2021-26081 REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.… twitter.com/i/web/status/1…	2021-07-20 07:21:33
/r/netcve	CVE-2021-26081	2021-07-20 03:40:30