HOMEVULNERABILITIESCVE-2021-43946
MEDIUM

CVE-2021-43946

NVD-CWE-OtherPublished: January 5, 2022· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to add administrator groups to filter subscriptions via a Broken Access Control vulnerability in the /secure/EditSubscription.jspa endpoint. The affected versions are before version 8.13.21, and from version 8.14.0 before 8.20.9.

NVD Source

Technical Analysis

CVE-2021-43946 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 full integrity compromise (data manipulation), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

Atlassian2 product(s)
jira data centerjira server
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 (2)

https://jira.atlassian.com/browse/JRASERVER-73071Issue Tracking · Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-73071Issue Tracking · Vendor Advisory

Quick Facts

CVE IDCVE-2021-43946
CVSS Score6.5 / 10
SeverityMEDIUM
CISA KEVNo
Affected1 vendor(s)
PublishedJan 5, 2022

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-43946 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.