HOMEVULNERABILITIESCVE-2021-43954
MEDIUM

CVE-2021-43954

CWE-918Published: March 14, 2022· Updated: Jun 17, 2026

4.3
CVSS v3.1

Official Description

The DefaultRepositoryAdminService class in Fisheye and Crucible before version 4.8.9 allowed remote attackers, who have 'can add repository permission', to enumerate the existence of internal network and filesystem resources via a Server-Side Request Forgery (SSRF) vulnerability.

NVD Source

Technical Analysis

CVE-2021-43954 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.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

Atlassian2 product(s)
cruciblefisheye
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

https://jira.atlassian.com/browse/CRUC-8520Issue Tracking · Vendor Advisory
https://jira.atlassian.com/browse/FE-7384Issue Tracking · Vendor Advisory
https://jira.atlassian.com/browse/CRUC-8520Issue Tracking · Vendor Advisory
https://jira.atlassian.com/browse/FE-7384Issue Tracking · Vendor Advisory

Quick Facts

CVE IDCVE-2021-43954
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-918
CISA KEVNo
Affected1 vendor(s)
PublishedMar 14, 2022

Related CVEs (CWE-918)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-43954 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.