CVE-2021-26081
Severity Score
5.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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.
Una API REST en Atlassian Jira Server y Jira Data Center versiones anteriores a 8.5.14, desde versión 8.6.0 anteriores a 8.13.6, y desde versión 8.14.0 anteriores a 8.16.1, permite a atacantes remotos enumerar nombres de usuario por medio de una vulnerabilidad de Exposición de Datos Confidenciales en el endpoint "/rest/api/latest/user/avatar/temporary"
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-25 CVE Reserved
- 2021-07-20 CVE Published
- 2024-10-11 CVE Updated
- 2025-04-04 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://jira.atlassian.com/browse/JRASERVER-72499 | 2022-03-30 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Atlassian Search vendor "Atlassian" | Data Center Search vendor "Atlassian" for product "Data Center" | < 8.5.14 Search vendor "Atlassian" for product "Data Center" and version " < 8.5.14" | - |
Affected
| ||||||
| Atlassian Search vendor "Atlassian" | Jira Search vendor "Atlassian" for product "Jira" | < 8.5.14 Search vendor "Atlassian" for product "Jira" and version " < 8.5.14" | - |
Affected
| ||||||
| Atlassian Search vendor "Atlassian" | Jira Data Center Search vendor "Atlassian" for product "Jira Data Center" | >= 8.6.0 < 8.13.6 Search vendor "Atlassian" for product "Jira Data Center" and version " >= 8.6.0 < 8.13.6" | - |
Affected
| ||||||
| Atlassian Search vendor "Atlassian" | Jira Data Center Search vendor "Atlassian" for product "Jira Data Center" | >= 8.14.0 < 8.16.1 Search vendor "Atlassian" for product "Jira Data Center" and version " >= 8.14.0 < 8.16.1" | - |
Affected
| ||||||
| Atlassian Search vendor "Atlassian" | Jira Server Search vendor "Atlassian" for product "Jira Server" | >= 8.6.0 < 8.13.6 Search vendor "Atlassian" for product "Jira Server" and version " >= 8.6.0 < 8.13.6" | - |
Affected
| ||||||
| Atlassian Search vendor "Atlassian" | Jira Server Search vendor "Atlassian" for product "Jira Server" | >= 8.14.0 < 8.16.1 Search vendor "Atlassian" for product "Jira Server" and version " >= 8.14.0 < 8.16.1" | - |
Affected
| ||||||