CVE-2021-43940
CVSS V2 Medium 6.9
CVSS V3 High 7.8
Description
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.
Overview
- CVE ID
- CVE-2021-43940
- Assigner
- security@atlassian.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-02-15T04:15:07
- Last Modified Date
- 2022-07-27T14:41:18
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | 1 | OR | 7.4.10 | |
| cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | 1 | OR | 7.5.0 | 7.12.3 |
| cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* | 1 | OR | 7.4.10 | |
| cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* | 1 | OR | 7.5.0 | 7.12.3 |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 6.9
- Severity
- MEDIUM
- Exploitability Score
- 3.4
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://jira.atlassian.com/browse/CONFSERVER-66550 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-43940 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43940 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-08 06:20:18 | Added to TrackCVE | |||
| 2022-12-06 09:46:13 | 2022-02-15T04:15Z | 2022-02-15T04:15:07 | CVE Published Date | updated |
| 2022-12-06 09:46:13 | 2022-07-27T14:41:18 | CVE Modified Date | updated | |
| 2022-12-06 09:46:13 | Analyzed | Vulnerability Status | updated |