HOMEVULNERABILITIESCVE-2020-14171
MEDIUM

CVE-2020-14171

CWE-319Published: July 9, 2020· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

Atlassian Bitbucket Server from version 4.9.0 before version 7.2.4 allows remote attackers to intercept unencrypted repository import requests via a Man-in-the-Middle (MITM) attack.

NVD Source

Technical Analysis

CVE-2020-14171 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Affected Vendors & Products

Atlassian1 product(s)
bitbucket
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://jira.atlassian.com/browse/BSERV-12434Issue Tracking · Vendor Advisory
https://jira.atlassian.com/browse/BSERV-12434Issue Tracking · Vendor Advisory

Quick Facts

CVE IDCVE-2020-14171
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-319
CISA KEVNo
Affected1 vendor(s)
PublishedJul 9, 2020

Related CVEs (CWE-319)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-14171 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.