What is CVE-2019-14997?

CVE-2019-14997 is a medium-severity vulnerability in Atlassian Jira, classified under Use of Cache Containing Sensitive Information. CVSS score: 4.3/10. Published 2019-09-11.

How severe is CVE-2019-14997?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Atlassian Jira

CVE-2019-14997

The AccessLogFilter class in Jira before version 8.4.0 allows remote anonymous attackers to learn details about other users, including their username, via an information expose through caching vulnerability when Jira is configured with a reverse Proxy and or a load balancer with caching or a CDN.

Published 2019-09-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.2th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Atlassian Jira — versions unspecified
Atlassian Jira Server

Weakness classification (CWE)

CWE-524 — Use of Cache Containing Sensitive Information

References

jira.atlassian.com/browse/JRASERVER-69794 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2019-14997?: CVE-2019-14997 is a medium-severity vulnerability in Atlassian Jira, classified under Use of Cache Containing Sensitive Information. CVSS score: 4.3/10. Published 2019-09-11.
How severe is CVE-2019-14997?: Medium severity. CVSS v3 base score is 4.3 out of 10.