CVE-2017-18036

Severity: medium (CVSS 4.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-02-02 · updated 2026-06-17
Weakness: CWE-918

Description

The Github repository importer in Atlassian Bitbucket Server before version 5.3.0 allows remote attackers to determine if a service they could not otherwise reach has open ports via a Server Side Request Forgery (SSRF) vulnerability.

Affected products

Atlassian Bitbucket Server: before 5.3.0 — fixed in 5.3.0

How to fix

Upgrade to a fixed version: Atlassian Bitbucket Server 5.3.0. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/102932
https://jira.atlassian.com/browse/BSERV-10591
http://www.securityfocus.com/bid/102932
https://jira.atlassian.com/browse/BSERV-10591

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