CVE-2021-26788 - CVE House
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Status published High CVE-2021-26788

Oryx Embedded CycloneTCP 1.7.6 to 2.0.0, fixed in 2.0.2, is...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from oryx-embedded

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CVE-2020-27631
In Oryx CycloneTCP 1.9.6, TCP ISNs are improperly random....
Critical 9.8

Affected Vendor

oryx-embedded

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Affected Software

cyclonetcp
Vulnerable Versions:
1.7.6

Timeline

Official Publish: March 8th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.