CVE-2021-4437
3.5 · LOWOverview
CVE-2021-4437 is a low-severity vulnerability affecting dbartholomae lambda-middleware. It was published on February 12, 2024 and has a CVSS 3.1 base score of 3.5 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
A vulnerability, which was classified as problematic, has been found in dbartholomae lambda-middleware frameguard up to 1.0.4. Affected by this issue is some unknown functionality of the file packages/json-deserializer/src/JsonDeserializer.ts of the component JSON Mime-Type Handler. The manipulation leads to inefficient regular expression complexity. Upgrading to version 1.1.0 is able to address this issue. The patch is identified as f689404d830cbc1edd6a1018d3334ff5f44dc6a6. It is recommended to upgrade the affected component. VDB-253406 is the identifier assigned to this vulnerability.
Remediation
Check the references section for vendor advisories and patches from dbartholomae. Update lambda-middleware 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 |
|---|---|---|---|
| dbartholomae | lambda-middleware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-4437?
CVE-2021-4437 is a low-severity vulnerability affecting dbartholomae lambda-middleware. It was published on February 12, 2024 and has a CVSS 3.1 base score of 3.5 (LOW).
How severe is CVE-2021-4437?
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-4437?
Check the references section for vendor advisories and patches from dbartholomae. Update lambda-middleware 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-2021-4437?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-4437 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
AI agents map your attack surface to find vulnerabilities like this one.
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