Is CVE-2017-18087 actively exploited?

No active exploitation of CVE-2017-18087 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-18087 be exploited remotely?

Yes. CVE-2017-18087 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-18087?

CVE-2017-18087 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2017-18087

NVD-CWE-noinfoPublished: February 15, 2018· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

The download commit resource in Atlassian Bitbucket Server from version 5.1.0 before version 5.1.7, from version 5.2.0 before version 5.2.5, from version 5.3.0 before version 5.3.3 and from version 5.4.0 before version 5.4.1 allows remote attackers to write files to disk potentially allowing them to gain code execution, exploit CVE-2017-1000117 if a vulnerable version of git is in use, and or determine if an internal service exists via an argument injection vulnerability in the at parameter.

NVD Source

Technical Analysis

CVE-2017-18087 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.5.