CVE-2019-20105: atlassian application_links
Vulnerability summary
CVE-2019-20105 is a medium (CVSS 4.9) vulnerability in atlassian application_links. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 74% of scored vulnerabilities.
Not severe (CVSS 4.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 17-03-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
The EditApplinkServlet resource in the Atlassian Application Links plugin before version 5.4.20, from version 6.0.0 before version 6.0.12, from version 6.1.0 before version 6.1.2, from version 7.0.0 before version 7.0.1, and from version 7.1.0 before version 7.1.3 allows remote attackers who have obtained access to administrator's session to access the EditApplinkServlet resource without needing to re-authenticate to pass "WebSudo" in products that support "WebSudo" through an improper access control vulnerability.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.49%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.49% 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, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian2 products
- application_links≥ unspecified, < 5.4.20 | ≥ 6.0.0, < unspecified | ≥ unspecified, < 6.0.12 | ≥ 7.0.0, < unspecified | ≥ unspecified, < 7.0.1 | ≥ 7.1.0, < unspecified | ≥ unspecified, < 7.1.3 | ≤ 5.4.20 | ≥ 6.0.0, ≤ 6.0.12 | ≥ 6.1.0, < 6.1.2 | ≥ 7.1.0, < 7.1.3 | 7.0.0
- jira_server_and_data_center≥ 7.13.8, < unspecified | ≥ unspecified, < 7.13.12 | ≥ 8.4.2, < unspecified | ≥ unspecified, < 8.5.4 | ≥ 8.6.0, < unspecified | ≥ unspecified, < 8.6.1
1 vendor · 2 products