CVE-2018-5225

Bitbucket vulnerability

CVSS

9.9

EPSS

3.6%

EPSS pct

88th

Exploited

No known

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 vendor

Atlassian

Affected product

Bitbucket

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness type (CWE)

CWE-59 — Link Following

Published

2018-03-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2018-5225

Confirm whether Atlassian Bitbucket is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-5225.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-5225

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-5225 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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