CVE-2018-5225

Severity: critical (CVSS 9.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-03-22 · updated 2026-06-17
Weakness: CWE-59

Description

In browser editing in Atlassian Bitbucket Server from version 4.13.0 before 5.4.8 (the fixed version for 4.13.0 through 5.4.7), 5.5.0 before 5.5.8 (the fixed version for 5.5.x), 5.6.0 before 5.6.5 (the fixed version for 5.6.x), 5.7.0 before 5.7.3 (the fixed version for 5.7.x), and 5.8.0 before 5.8.2 (the fixed version for 5.8.x), allows authenticated users to gain remote code execution using the in browser editing feature via editing a symbolic link within a repository.

Affected products

Atlassian Bitbucket Server: from 4.13.0 before 5.4.8; from 5.5.0 (excl.) before 5.5.8; from 5.6.0 before 5.6.5; from 5.7.0 before 5.7.3; from 5.8.0 before 5.8.2 — fixed in 5.4.8, 5.5.8, 5.6.5, 5.7.3, 5.8.2

How to fix

Upgrade to a fixed version: Atlassian Bitbucket Server 5.4.8, 5.5.8, 5.6.5, 5.7.3. Check the vendor advisory for mitigations.

References

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