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CVE

CVE-2021-39112

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to redirect users to a malicious URL v

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to redirect users to a malicious URL via a reverse tabnapping vulnerability in the Project Shortcuts feature. The affected versions are before version 8.5.15, from version 8.6.0 before 8.13.7, from version 8.14.0 before 8.17.1, and from version 8.18.0 before 8.18.1.

MEDIUM · CVSS 4.8 EPSS 0.00197
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1022Use of Web Link to Untrusted Target with window.opener Access
CWE-601URL Redirection to Untrusted Site ('Open Redirect')
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Affected Products & Versions

8
atlassian data center< 8.5.15
atlassian jira< 8.5.15
atlassian jira data center>= 8.6.0 and < 8.13.7
atlassian jira data center>= 8.14.0 and < 8.17.1
atlassian jira data center>= 8.18.0 and < 8.18.1
atlassian jira server>= 8.6.0 and < 8.13.7
atlassian jira server>= 8.14.0 and < 8.17.1
atlassian jira server>= 8.18.0 and < 8.18.1
▣

Scoring & Timeline

4.8
MEDIUM · CVSS v3.1 · security@atlassian.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Aug 2021 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jira.atlassian.com/browse/JRASERVER-72433PatchVendor Advisory
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