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 from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.
Published 2022-06-03 22:15:08
Updated 2022-06-30 06:15:07
Source Atlassian
View at NVD,   CVE.org
Vulnerability category: Execute code

CVE-2022-26134 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability
CISA required action:
Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is succ
CISA description:
Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthenticated attacker to perform remote code execution.
Added on 2022-06-02 Action due date 2022-06-06

Exploit prediction scoring system (EPSS) score for CVE-2022-26134

Probability of exploitation activity in the next 30 days: 97.53%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2022-26134

  • Atlassian Confluence Namespace OGNL Injection
    Disclosure Date: 2022-06-02
    First seen: 2022-12-23
    exploit/multi/http/atlassian_confluence_namespace_ognl_injection
    This module exploits an OGNL injection in Atlassian Confluence servers. A specially crafted URI can be used to evaluate an OGNL expression resulting in OS command execution. Authors: - Unknown - bturner-r7 - jbaines-r7 - Spencer McIntyre

CVSS scores for CVE-2022-26134

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
nvd@nist.gov
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
nvd@nist.gov

CWE ids for CVE-2022-26134

References for CVE-2022-26134

Products affected by CVE-2022-26134

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