What is CVE-2017-18035?

CVE-2017-18035 is a medium-severity vulnerability in Atlassian Crucible, classified under Improper Access Control. CVSS score: 4.3/10. Published 2018-02-02.

How severe is CVE-2017-18035?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Atlassian Crucible

CVE-2017-18035

The /rest/review-coverage-chart/1.0/data/<repository_name>/.json resource in Atlassian Fisheye and Crucible before version 4.5.1 and 4.6.0 was missing a permissions check, this allows remote attackers who do not have access to a particular repository to determine its existence and access review coverage statistics for it.

Published 2018-02-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Atlassian Crucible
Atlassian Fisheye
Atlassian Fisheye And Crucible — versions prior to 4.5.1 and 4.6.0

Weakness classification (CWE)

References

jira.atlassian.com/browse/FE-6996 (Vendor Advisory)
jira.atlassian.com/browse/CRUC-8163 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-18035?: CVE-2017-18035 is a medium-severity vulnerability in Atlassian Crucible, classified under Improper Access Control. CVSS score: 4.3/10. Published 2018-02-02.
How severe is CVE-2017-18035?: Medium severity. CVSS v3 base score is 4.3 out of 10.