CVE-2019-8446: atlassian jira Incorrect Authorization
Vulnerability summary
CVE-2019-8446 is a medium (CVSS 5.3) Incorrect Authorization vulnerability in atlassian jira. EPSS estimates a 17.55% chance of exploitation in the next 30 days, higher than 97.1% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 23-08-2019PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
The /rest/issueNav/1/issueTable resource in Jira before version 8.3.2 allows remote attackers to enumerate usernames via an incorrect authorisation check.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
17.55%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
No change 0.00 pp
From 17.55% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian2 products
- jira≥ unspecified, < 8.3.2
- jira_server≥ 7.6, < 8.3.2
1 vendor · 2 products
References
2 links- www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839X Refsource MISCExploitThird Party Advisory