What is CVE-2021-43940?

CVE-2021-43940 is a high-severity vulnerability in Atlassian Confluence Data Center, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2022-02-15.

How severe is CVE-2021-43940?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Atlassian Confluence Data Center

CVE-2021-43940

Affected versions of Atlassian Confluence Server and Data Center allow authenticated local attackers to achieve elevated privileges on the local system via a DLL Hijacking vulnerability in the Confluence installer. This vulnerability only…

EPSS: 0.003 (25.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Atlassian Confluence Data Center — versions unspecified, 7.5.0
Atlassian Confluence_data_center
Atlassian Confluence Server — versions unspecified, 7.5.0
Atlassian Confluence_server
Microsoft Windows

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

security@atlassian.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43940?: CVE-2021-43940 is a high-severity vulnerability in Atlassian Confluence Data Center, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2022-02-15.
How severe is CVE-2021-43940?: High severity. CVSS v3 base score is 7.8 out of 10.