Vulnerability Description
The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Atlassian | Data Center | < 8.5.12 |
| Atlassian | Jira | < 8.5.12 |
| Atlassian | Jira Data Center | >= 8.6.0, < 8.13.4 |
| Atlassian | Jira Server | >= 8.6.0, < 8.13.4 |
References
- https://jira.atlassian.com/browse/JRASERVER-72252PatchVendor Advisory
- https://jira.atlassian.com/browse/JRASERVER-72252PatchVendor Advisory
FAQ
What is CVE-2021-26076?
CVE-2021-26076 is a vulnerability with a CVSS score of 3.7 (LOW). The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8....
How severe is CVE-2021-26076?
CVE-2021-26076 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-26076?
Check the references section above for vendor advisories and patch information. Affected products include: Atlassian Data Center, Atlassian Jira, Atlassian Jira Data Center, Atlassian Jira Server.