Auth bypass in Atlassian Confluence Data Center

CVE-2022-42978

In the Netic User Export add-on before 1.3.5 for Atlassian Confluence, authorization is mishandled. An unauthenticated attacker could access files on the remote system.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (56.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.9% 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-2022-42978: held from 0.008 to 0.009.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-42978?
CVE-2022-42978 is a high-severity vulnerability in Atlassian Confluence Data Center, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2022-11-15.
How severe is CVE-2022-42978?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-42978 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.