CVE-2019-20106: atlassian jira Incorrect Default Permissions
Vulnerability summary
CVE-2019-20106 is a medium (CVSS 4.3) Incorrect Default Permissions vulnerability in atlassian jira. EPSS estimates a 1.14% chance of exploitation in the next 30 days, higher than 66.7% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 06-02-2020PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Comment properties in Atlassian Jira Server and Data Center before version 7.13.12, from 8.0.0 before version 8.5.4, and 8.6.0 before version 8.6.1 allows remote attackers to make comments on a ticket to which they do not have commenting permissions via a broken access control bug.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.14%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
Decrease -0.05 pp
From 1.19% 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
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian5 products
- jira< 7.13.12
- jira_data_center≥ 8.0.0, < 8.5.4 | 8.6.0
- jira_server≥ 8.0.0, < 8.5.4 | 8.6.0
- jira_server_and_data_center≥ unspecified, < 7.13.12 | ≥ 8.4.1, < unspecified | ≥ unspecified, < 8.5.4 | ≥ 8.6.0, < unspecified | ≥ unspecified, < 8.6.1
- jira software data center< 7.13.12
1 vendor · 5 products