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CVE-2020-25928

9.8 · CRITICAL

The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Buffer Overflow.

Published Aug 18, 2021CWE-125EPSS 3.63%

Overview

CVE-2020-25928 is a critical-severity vulnerability. It was published on August 18, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 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

The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Buffer Overflow. The impact is: execute arbitrary code (remote). The component is: DNS response processing functions: dns_upcall(), getoffset(), dnc_set_answer(). The attack vector is: a specific DNS response packet. The code does not check the "response data length" field of individual DNS answers, which may cause out-of-bounds read/write operations, leading to Information leak, Denial-or-Service, or Remote Code Execution, depending on the context.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refwww.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/Refwww.kb.cert.org/vuls/id/608209Refwww.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/Refwww.kb.cert.org/vuls/id/608209

How CyberStrike helps

Frequently asked questions

What is CVE-2020-25928?

CVE-2020-25928 is a critical-severity vulnerability. It was published on August 18, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2020-25928?

This vulnerability has a CVSS 3.1 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-2020-25928?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2020-25928?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-25928 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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