CVE-2019-3403
MediumThe /rest/api/2/user/picker rest resource in Jira before version 7.13.3, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 allows remote attackers to enumerate usernames via an incorrect authorisation check.
Published May 22, 2019 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2019-3403 is a medium-severity vulnerability (CVSS 5.3 v3.1) affecting Jira (Atlassian), Jira Server (Atlassian).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 53% probability of exploitation in the next 30 days.
- Fixed versions are available, including Jira 7.13.3, Jira 8.0.4, Jira 8.1.1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS (30-day exploit likelihood)
53%
Higher than 98.9% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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Description
The /rest/api/2/user/picker rest resource in Jira before version 7.13.3, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 allows remote attackers to enumerate usernames via an incorrect authorisation check.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| JiraAtlassian | >= unspecified | 7.13.3 |
| Jira ServerAtlassian | See advisory | 8.0.4 |
Patched Releases
Jira
7.13.3, 8.0.4, 8.1.1, unspecified
Jira Server
8.0.4
Timeline
Publicly disclosed
May 22, 2019
Last updated
Nov 21, 2024
Weakness Type
- CWE-863 Incorrect Authorization
References
FAQ
Common Questions.
The /rest/api/2/user/picker rest resource in Jira before version 7.13.3, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 allows remote attackers to enumerate usernames via an incorrect authorisation check.
Affected: Jira (Atlassian) versions >= unspecified; Jira Server (Atlassian). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Jira 7.13.3, Jira 8.0.4, Jira 8.1.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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