Vulnerability in Atlassian Data Center
CVE-2021-26076
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.
EPSS: 0.012 (65.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Atlassian Data_center
- Atlassian Jira
- Atlassian Jira Data Center — versions unspecified, 8.6.0, 8.14.0
- Atlassian Jira_data_center
- Atlassian Jira Server — versions unspecified, 8.6.0, 8.14.0
- Atlassian Jira_server
References
- security@atlassian.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-26076?
- CVE-2021-26076 is a low-severity vulnerability in Atlassian Data Center. CVSS score: 3.7/10. Published 2021-04-15.
- How severe is CVE-2021-26076?
- Low severity. CVSS v3 base score is 3.7 out of 10.