{"cve":"CVE-2021-39128","nvd":{"published":"2021-09-16T06:15:06.833","modified":"2026-06-17T04:03:07.500","status":"Modified","description":"Affected versions of Atlassian Jira Server or Data Center using the Jira Service Management addon allow remote attackers with JIRA Administrators access to execute arbitrary Java code via a server-side template injection vulnerability in the Email Template feature. The affected versions of Jira Server or Data Center are before version 8.13.12, and from version 8.14.0 before 8.19.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":["CWE-94","CWE-1336"],"references":["https://jira.atlassian.com/browse/JRASERVER-72804","https://jira.atlassian.com/browse/JRASERVER-72804"],"products":["atlassian:jira_data_center","atlassian:jira_server"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-39128","score":0.0257,"percentile":0.85161,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}