What is CVE-2018-13398?

CVE-2018-13398 is a medium-severity vulnerability in Atlassian Crucible, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2018-09-18.

How severe is CVE-2018-13398?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in Atlassian Crucible

CVE-2018-13398

The administrative smart-commits resource in Atlassian Fisheye and Crucible before version 4.5.4 allows remote attackers to modify smart-commit settings via a Cross-site request forgery (CSRF) vulnerability.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-09-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.8th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Atlassian Crucible
Atlassian Fisheye
Atlassian Fisheye And Crucible — versions unspecified

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

jira.atlassian.com/browse/FE-7100 (Third Party Advisory)
jira.atlassian.com/browse/CRUC-8312 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-13398?: CVE-2018-13398 is a medium-severity vulnerability in Atlassian Crucible, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2018-09-18.
How severe is CVE-2018-13398?: Medium severity. CVSS v3 base score is 6.5 out of 10.