CVE-2021-43518
7.8 · HIGHOverview
CVE-2021-43518 is a high-severity vulnerability affecting teeworlds teeworlds. It was published on December 15, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Teeworlds up to and including 0.7.5 is vulnerable to Buffer Overflow. A map parser does not validate m_Channels value coming from a map file, leading to a buffer overflow. A malicious server may offer a specially crafted map that will overwrite client's stack causing denial of service or code execution.
Remediation
Check the references section for vendor advisories and patches from teeworlds. Update teeworlds 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 |
|---|---|---|---|
| teeworlds | teeworlds | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-43518?
CVE-2021-43518 is a high-severity vulnerability affecting teeworlds teeworlds. It was published on December 15, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-43518?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-43518?
Check the references section for vendor advisories and patches from teeworlds. Update teeworlds 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-2021-43518?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-43518 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.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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