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Medium severity · published Oct 21, 2021
CVE-2021-39126
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to modify various resources via a Cross-Site Request Forgery (CSRF) vulnerability, following an…
6.5
CVSS
0.7%
EPSS
No
On KEV
Description
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to modify various resources via a Cross-Site Request Forgery (CSRF) vulnerability, following an Information Disclosure vulnerability in the referrer headers which discloses a user's CSRF token. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JI
Jira · Atlassian
before 8.5.10; 8.6.0 before 8.13.1 · source: NVD
JD
Jira Data Center · Atlassian
before 8.5.10; 8.6.0 before 8.13.1 · source: NVD
Affected product
JI
Jira
Atlassian
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39126
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39126
Issue Tracking
https://jira.atlassian.com/browse/JRASERVER-71806
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