Affected versions of Jira Server & Data Center allow a remote attacker with limited (non-admin) privileges to view a Jira instance's Suppor…

published 2020-10-06 6y ago modified 2026-06-17 4mo ago also EUVD-2020-6340

cvss: 4.3; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits: 0; none known

Affected versions of Jira Server & Data Center allow a remote attacker with limited (non-admin) privileges to view a Jira instance's Support Entitlement Number (SEN) via an Information Disclosure vulnerability in the HTTP Response headers. The affected versions are before version 7.13.18, from version 8.0.0 before 8.5.9, and from version 8.6.0 before 8.12.1.

Patch / fix

fixed in 1

Atlassian Jira Server 7.13.18, 8.5.9, 8.12.1

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Exploit prediction

1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

Atlassian Jira Server

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

jira.atlassian.com /browse/JRASERVER-71646
permissions-required, vendor-advisory

Sources

CVE List CVE-2020-14183
NVD CVE-2020-14183

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