Vulnerability Details : 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 affects installations of Confluence Server and Data Center on Windows. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3.
Products affected by CVE-2021-43940
- cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43940
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43940
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-10-08 |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-43940
-
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.Assigned by:
- nvd@nist.gov (Primary)
- security@atlassian.com (Secondary)
References for CVE-2021-43940
-
https://jira.atlassian.com/browse/CONFSERVER-66550
[CONFSERVER-66550] Local Privilege Escalation via DLL hijack - CVE-2021-43940 - Create and track feature requests for Atlassian products.Issue Tracking;Vendor Advisory
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