SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43943

Affected versions of Atlassian Jira Service Management Server and Data Center allow attackers with administrator privileges to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the "Object Schema" field of…

MEDIUM 4.8EPSS 0.43%

Does this matter?

Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own.

Description

Affected versions of Atlassian Jira Service Management Server and Data Center allow attackers with administrator privileges to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the "Object Schema" field of /secure/admin/InsightDefaultCustomFieldConfig.jspa. The affected versions are before version 4.21.0.

CVSS 3.1
4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
0.43% probability · 36th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
atlassian/jira service management
Source
security@atlassian.com

References

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