SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43947

Affected versions of Atlassian Jira Server and Data Center allow remote attackers with administrator privileges to execute arbitrary code via a Remote Code Execution (RCE) vulnerability in the Email Templates feature.

HIGH 7.2EPSS 4.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers with administrator privileges to execute arbitrary code via a Remote Code Execution (RCE) vulnerability in the Email Templates feature. This issue bypasses the fix of https://jira.atlassian.com/browse/JSDSERVER-8665. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
4.12% probability · 90th percentile
CISA KEV
Not listed
Affected
atlassian/data center · atlassian/jira · atlassian/jira data center · atlassian/jira server
Source
security@atlassian.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.