What is CVE-2021-41749?

CVE-2021-41749 is a critical-severity vulnerability in Nystudio107 Seomatic, classified under Code Injection. CVSS score: 9.8/10. Published 2022-06-12.

How severe is CVE-2021-41749?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Nystudio107 Seomatic

CVE-2021-41749

In the SEOmatic plugin up to 3.4.11 for Craft CMS 3, it is possible for unauthenticated attackers to perform a Server-Side Template Injection, allowing for remote code execution.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.172 (96.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nystudio107 Seomatic
N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-41749?: CVE-2021-41749 is a critical-severity vulnerability in Nystudio107 Seomatic, classified under Code Injection. CVSS score: 9.8/10. Published 2022-06-12.
How severe is CVE-2021-41749?: Critical severity. CVSS v3 base score is 9.8 out of 10.