CVE-2017-18087 — 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

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HIGH

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

Published Feb 15, 2018

7.5

HIGH

CVSS 3.0

EPSS 1.76%

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.

Affected products

Vendor Atlassian Product Bitbucket Server Default
n/a
- Version
  from 5.1.0 prior to 5.1.7
  Status
  affected
  Constraints
  -
- Version
  from 5.2.0 prior to 5.2.5
  Status
  affected
  Constraints
  -
- Version
  from 5.3.0 prior to 5.3.3
  Status
  affected
  Constraints
  -
- Version
  from 5.4.0 prior to 5.4.1
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Atlassian

Bitbucket Server

n/a

Version	Status	Constraints
from 5.1.0 prior to 5.1.7	affected	-
from 5.2.0 prior to 5.2.5	affected	-
from 5.3.0 prior to 5.3.3	affected	-
from 5.4.0 prior to 5.4.1	affected	-

Remediation

No remediation recorded yet.

Metrics

1.76% 0.01756

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01756

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Table of values (15 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.76% (0.01756)	77.12th	v5 (v2026.06.15)
Jun 15, 2026	1.86% (0.01856)	76.36th	v5 (v2026.06.15)
Mar 30, 2025	1.67% (0.01667)	80.41th	v4 (v2025.03.14)
Mar 29, 2025	4.47% (0.04471)	81.44th	v4 (v2025.03.14)
Mar 17, 2025	1.33% (0.01327)	78.59th	v4 (v2025.03.14)
Dec 17, 2024	0.27% (0.00272)	67.52th	v3 (v2023.03.01)
May 21, 2024	0.34% (0.00339)	71.30th	v3 (v2023.03.01)
Apr 12, 2024	0.35% (0.00348)	71.42th	v3 (v2023.03.01)
Feb 8, 2024	0.41% (0.00408)	73.16th	v3 (v2023.03.01)
Dec 26, 2023	0.41% (0.00408)	71.08th	v3 (v2023.03.01)
Mar 7, 2023	0.42% (0.00422)	70.24th	v3 (v2023.03.01)
Mar 6, 2023	2.17% (0.02166)	80.16th	v2 (v2022.01.01)
Feb 4, 2022	1.98% (0.01978)	56.34th	v2 (v2022.01.01)
Feb 3, 2022	1.37% (0.01374)	32.00th	v5 (v2026.06.15)
Apr 14, 2021	1.37% (0.01374)	0.00th	v1

Weaknesses (0)

No CWE recorded.

References (2)

http://www.securityfocus.com/bid/103038
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://jira.atlassian.com/browse/BSERV-10593
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/103038		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://jira.atlassian.com/browse/BSERV-10593		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner atlassian

Published Feb 15, 2018

Updated Sep 17, 2024

Reserved Feb 1, 2018

Link CVE-2017-18087

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-18087

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-18087