Security readout for executives and security teams
Plain-English summary
CVE-2021-41309 is an Atlassian Jira Server and Data Center authentication flaw. A user whose Jira Service Management access was revoked could still export audit logs for another user's Jira Service Management project, exposing limited audit information.
Executive priority
Schedule remediation through normal vulnerability management. Prioritize externally reachable Jira deployments and projects with sensitive audit history, but current sources support moderate urgency rather than crisis handling.
Technical view
Affected Jira Server and Data Center versions before 8.19.1 contain a broken authentication issue in /plugins/servlet/audit/resource. The CVSS 3.1 score is 5.3, with network access, low complexity, no user interaction, and low confidentiality impact.
Likely exposure
Exposure is most relevant for Jira Server or Jira Data Center deployments running versions before 8.19.1, especially where Jira is reachable over a network and Jira Service Management project audit logs exist.
Exploitation context
The source bundle does not identify active exploitation, and the CVE is not listed as KEV. Treat this as a confidentiality issue requiring version review and remediation, not an emergency zero-day based on the provided evidence.
Researcher notes
Evidence is limited to the CVE description and Atlassian issue reference. The affected endpoint and version boundary are stated, but the supplied sources do not provide exploit details, public exploitation evidence, or broader product impact.
Mitigation direction
- Upgrade affected Jira Server or Data Center instances to 8.19.1 or later.
- Review Atlassian JRASERVER-72803 for vendor-specific remediation guidance.
- Restrict Jira access to trusted networks where operationally feasible.
- Review revoked Jira Service Management access for sensitive projects.
Validation and detection
- Inventory Jira Server and Data Center versions across managed environments.
- Flag any instance running a version before 8.19.1.
- Confirm Jira Service Management audit log exports follow current access decisions.
- Review audit and access logs for unexpected audit export activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-41309 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://jira.atlassian.com/browse/JRASERVER-72803CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
