CVE-2018-13818
9.8 · CRITICALOverview
CVE-2018-13818 is a critical-severity vulnerability affecting symfony twig. It was published on July 10, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Twig before 2.4.4 allows Server-Side Template Injection (SSTI) via the search search_key parameter. NOTE: the vendor points out that Twig itself is not a web application and states that it is the responsibility of web applications using Twig to properly wrap input to it
Remediation
Check the references section for vendor advisories and patches from symfony. Update twig to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| symfony | twig | >= 0, < 2.4.4 | Affected |
References
Frequently Asked Questions
What is CVE-2018-13818?
CVE-2018-13818 is a critical-severity vulnerability affecting symfony twig. It was published on July 10, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2018-13818?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-13818?
Check the references section for vendor advisories and patches from symfony. Update twig to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-13818?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-13818 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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