CVE-2021-43940 is a DLL Hijacking vulnerability affecting Atlassian Confluence Server and Data Center installations on Windows, specifically versions before 7.4.10 and from 7.5.0 before 7.12.3. This allows authenticated local attackers to achieve elevated privileges on the local system. The vulnerability has a CVSS score of 7.8 (High), indicating a high impact on confidentiality, integrity, and availability, with low attack complexity requiring user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.4.10CPE matchmatch criteria | cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | ||
>= 7.5.0, < 7.12.3CPE matchmatch criteria | cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | ||
< 7.4.10CPE matchmatch criteria | cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* | ||
>= 7.5.0, < 7.12.3CPE matchmatch criteria | cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.