9.8
CVE-2021-26084
- EPSS 94.44%
- Veröffentlicht 30.08.2021 07:15:06
- Zuletzt bearbeitet 24.10.2025 13:38:44
- Quelle security@atlassian.com
- CVE-Watchlists
- Unerledigt
LoginIn 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Atlassian ≫ Confluence Data Center Version < 6.13.23
Atlassian ≫ Confluence Data Center Version >= 6.14.0 < 7.4.11
Atlassian ≫ Confluence Data Center Version >= 7.5.0 < 7.11.6
Atlassian ≫ Confluence Data Center Version >= 7.12.0 < 7.12.5
Atlassian ≫ Confluence Server Version < 6.13.23
Atlassian ≫ Confluence Server Version >= 6.14.0 < 7.4.11
Atlassian ≫ Confluence Server Version >= 7.5.0 < 7.11.6
Atlassian ≫ Confluence Server Version >= 7.12.0 < 7.12.5
03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog
Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability
SchwachstelleAtlassian Confluence Server and Data Server contain an Object-Graph Navigation Language (OGNL) injection vulnerability that may allow an unauthenticated attacker to execute code.
BeschreibungApply updates per vendor instructions.
Erforderliche Maßnahmen| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 94.44% | 1 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 9.8 | 3.9 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 7.5 | 10 | 6.4 |
AV:N/AC:L/Au:N/C:P/I:P/A:P
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 9.8 | 3.9 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.