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CVE-2021-26081

UNKNOWN
Published 2021-07-20T03:25:12.678817Z
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Expert Analysis

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CVSS Score

V3.1
5.3
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.585
Higher than 58.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Atlassian

Jira Server

Affected Versions:

unspecified 8.6.0 unspecified 8.14.0 unspecified
Atlassian

Jira Data Center

Affected Versions:

unspecified 8.6.0 unspecified 8.14.0 unspecified
atlassian

jira_server

Affected Versions:

0 8.6.0 8.14.0
atlassian

jira_data_center

Affected Versions:

0 8.6.0 8.14.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-v3g7-jggh-wjhg

Advisory Details

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 Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-26081
WEB https://jira.atlassian.com/browse/JRASERVER-72499

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://jira.atlassian.com/browse/JRASERVER-72499
Published: 2021-07-20T03:25:12.678817Z
Last Modified: 2024-10-11T17:18:17.200Z
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