CVE-2021-26084
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.
Overview
- CVE ID
- CVE-2021-26084
- Assigner
- security@atlassian.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-30T07:15:06
- Last Modified Date
- 2022-06-10T14:26:16
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | 1 | OR | 6.13.23 | |
| cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | 1 | OR | 6.14.0 | 7.4.11 |
| cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | 1 | OR | 7.5.0 | 7.11.6 |
| cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | 1 | OR | 7.12.0 | 7.12.5 |
| cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* | 1 | OR | 6.13.23 | |
| cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* | 1 | OR | 6.14.0 | 7.4.11 |
| cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* | 1 | OR | 7.5.0 | 7.11.6 |
| cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* | 1 | OR | 7.12.0 | 7.12.5 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html | Exploit Third Party Advisory VDB Entry |
| https://jira.atlassian.com/browse/CONFSERVER-67940 | Issue Tracking Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-26084 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26084 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-04 00:40:27 | Added to TrackCVE | |||
| 2022-12-05 09:14:20 | 2021-08-30T07:15Z | 2021-08-30T07:15:06 | CVE Published Date | updated |
| 2022-12-05 09:14:20 | 2022-06-10T14:26:16 | CVE Modified Date | updated | |
| 2022-12-05 09:14:20 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 09:14:24 | References | updated |