PT-2022-11943 · Atlassian · Jira Service Management Server

Published 2022-02-24 · Updated 2022-03-07 · CVE-2021-43943

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Atlassian Jira Service Management Server and Data Center versions prior to 4.21.0

Description The issue allows 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".

Recommendations For versions prior to 4.21.0, update to version 4.21.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the "/secure/admin/InsightDefaultCustomFieldConfig.jspa" endpoint to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-43943

Affected Products

Jira Service Management Server

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-43943 · Security Note
• https://jira.atlassian.com/browse/JSDSERVER-10980 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-43943 · Vendor Advisory
• https://t.me/cvenotify/27622 · Telegram Post