CVE-2020-9757
CRITICALCVSS 9.8/10EPSS 73.43%
Last modified
CVE-2020-9757 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The SEOmatic component before 3.3.0 for Craft CMS allows Server-Side Template Injection that leads to RCE via malformed data to the metacontainers controller.. EPSS estimates a 73.43% chance of exploitation in the next 30 days.
Description
The SEOmatic component before 3.3.0 for Craft CMS allows Server-Side Template Injection that leads to RCE via malformed data to the metacontainers controller.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Craftcms | Craft Cms | < 3.3.0 |
References
- https://github.com/giany/CVE/blob/master/CVE-2020-9757.txtExploit, Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.mdRelease Notes, Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79bPatch, Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0fPatch, Third Party Advisory
- https://github.com/giany/CVE/blob/master/CVE-2020-9757.txtExploit, Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.mdRelease Notes, Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79bPatch, Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0fPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9757?
The SEOmatic component before 3.3.0 for Craft CMS allows Server-Side Template Injection that leads to RCE via malformed data to the metacontainers controller.
How severe is CVE-2020-9757?
CVE-2020-9757 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 73.43% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9757?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-9757?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST