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CVE Record

CVE-2021-43950: Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote at...

Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view import source configuration information via a Broken Access Control vulnerability in the Insight Import Source feature. The affected versions are before version 4.21.0.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-43950 is an Atlassian Jira Service Management Server and Data Center access-control flaw. An authenticated remote user could view Insight Import Source configuration information they should not see. The sources do not provide CVSS details, data sensitivity specifics, or evidence of active exploitation.

Executive priority

Treat as a medium-priority remediation item unless the affected instance stores sensitive import credentials or configuration. Prioritize internet-accessible or broadly accessible Jira Service Management deployments.

Technical view

Affected Jira Service Management Server and Data Center versions before 4.21.0 contain a Broken Access Control issue in the Insight Import Source feature. The described impact is unauthorized viewing of import source configuration information by authenticated remote attackers. No CPEs, CWE mapping, CVSS vector, or exploit evidence are included in the provided sources.

Likely exposure

Exposure is limited to organizations running Jira Service Management Server or Data Center versions before 4.21.0, especially where Insight Import Source is used and many users have authenticated access.

Exploitation context

The source describes authenticated remote access, not unauthenticated compromise. CISA KEV status is false in the provided bundle, and no cited source reports active exploitation or public weaponization.

Researcher notes

Evidence is sparse: the provided record names product family, affected version boundary, feature, attacker authentication requirement, and information exposure class. It does not include CVSS, affected build ranges, exploit indicators, or detailed configuration exposure examples.

Mitigation direction

  • Upgrade Jira Service Management Server or Data Center to 4.21.0 or later.
  • Check Atlassian guidance for any additional version-specific remediation.
  • Limit Jira Service Management access to trusted authenticated users until remediated.
  • Review permissions around Insight Import Source configuration access.

Validation and detection

  • Inventory Jira Service Management Server and Data Center versions.
  • Confirm whether any deployment is below 4.21.0.
  • Identify whether Insight Import Source is configured or in use.
  • Review access logs for unexpected authenticated access to import source configuration.
  • Confirm the upgraded version after remediation.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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CVE-2021-43950 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AtlassianJira Service Management ServerunspecifiedListed
AtlassianJira Service Management Data CenterunspecifiedListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.