Information disclosure in Atlassian Jira Service Management

CVE-2021-43949

Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.008 (56.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-43949: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-43949?
CVE-2021-43949 is a medium-severity vulnerability in Atlassian Jira Service Management, classified under Information Disclosure. CVSS score: 4.3/10. Published 2022-01-10.
How severe is CVE-2021-43949?
Medium severity. CVSS v3 base score is 4.3 out of 10.