Security readout for executives and security teams
Plain-English summary
This CVE affects Atlassian Jira Server and Data Center. A flaw in Project Shortcuts could let a remote attacker redirect users to a malicious URL, creating phishing and account-deception risk rather than direct server takeover. The provided sources do not include CVSS scoring or evidence of active exploitation.
Executive priority
Treat this as a moderate hygiene and phishing-risk issue. It is not described as remote code execution, but affected Jira instances should be upgraded because Jira is business-critical and heavily trusted by users.
Technical view
CVE-2021-39112 is a reverse tabnapping issue in Jira Project Shortcuts, mapped to CWE-1022. Affected versions are before 8.5.15, 8.6.0 before 8.13.7, 8.14.0 before 8.17.1, and 8.18.0 before 8.18.1 for Jira Server and Data Center.
Likely exposure
Exposure is limited to organizations running affected Jira Server or Data Center versions where users interact with Project Shortcuts. Jira Cloud is not named in the provided affected product list.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of exploitation in the wild. The realistic concern is user redirection to attacker-controlled pages for phishing or credential deception.
Researcher notes
Evidence is limited to the CVE record and Atlassian issue reference. No CVSS vector, exploit details, or KEV status are provided beyond KEV=false. Validate scope against Jira Server/Data Center only and avoid assuming Cloud exposure.
Mitigation direction
- Upgrade Jira Server/Data Center to a fixed version listed by Atlassian.
- Prioritize versions 8.5.15, 8.13.7, 8.17.1, 8.18.1, or later.
- Review Atlassian JRASERVER-72433 for vendor-specific remediation guidance.
- Review Project Shortcuts for unexpected or untrusted external destinations.
Validation and detection
- Inventory all Jira Server and Data Center versions in use.
- Confirm no instance runs an affected version range.
- Check whether Project Shortcuts are enabled and externally writable.
- Review shortcut entries for suspicious or newly added URLs.
- Monitor Jira access logs for unusual shortcut-driven user navigation patterns.
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-1022: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2021-39112 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://jira.atlassian.com/browse/JRASERVER-72433CVE 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.
Use of Web Link to Untrusted Target with window.opener Access
Use of Web Link to Untrusted Target with window.opener Access represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.