CVE-2021-26788
7.5 · HIGHOverview
CVE-2021-26788 is a high-severity vulnerability affecting oryx-embedded cyclonetcp. It was published on March 8, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Oryx Embedded CycloneTCP 1.7.6 to 2.0.0, fixed in 2.0.2, is affected by incorrect input validation, which may cause a denial of service (DoS). To exploit the vulnerability, an attacker needs to have TCP connectivity to the target system. Receiving a maliciously crafted TCP packet from an unauthenticated endpoint is sufficient to trigger the bug.
Remediation
Check the references section for vendor advisories and patches from oryx-embedded. Update cyclonetcp 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 |
|---|---|---|---|
| oryx-embedded | cyclonetcp | 1.7.6 | Affected |
References
Frequently Asked Questions
What is CVE-2021-26788?
CVE-2021-26788 is a high-severity vulnerability affecting oryx-embedded cyclonetcp. It was published on March 8, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-26788?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-26788?
Check the references section for vendor advisories and patches from oryx-embedded. Update cyclonetcp 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-2021-26788?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-26788 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.
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