CSRF in Atlassian Application Links

CVE-2019-20100

The Atlassian Application Links plugin is vulnerable to cross-site request forgery (CSRF). The following versions are affected: all versions prior to 5.4.21, from version 6.0.0 before version 6.0.12, from version 6.1.0 before version 6.1.2…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.010 (59.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-20100?
CVE-2019-20100 is a medium-severity vulnerability in Atlassian Application Links, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.7/10. Published 2020-02-12.
How severe is CVE-2019-20100?
Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2019-20100 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.