Low severity · published Apr 15, 2021
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…
3.7
CVSS
1.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JI
Jira · Atlassian
before 8.5.12 · source: NVD
DC
Data Center · Atlassian
before 8.5.12 · source: NVD
JD
Jira Data Center · Atlassian
8.6.0 before 8.13.4; 8.14.0 before 8.15.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26076
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26076
Patch
https://jira.atlassian.com/browse/JRASERVER-72252
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