CVE-2020-25926

high

Description

The DNS client in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Insufficient entropy in the DNS transaction id. The impact is: DNS cache poisoning (remote). The component is: dns_query_type(). The attack vector is: a specific DNS response packet.

References

Advisories
References

https://www.kb.cert.org/vuls/id/608209

https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/

https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective

https://jfrog.com/blog/infrahalt-14-new-security-vulnerabilities-found-in-nichestack/

Details

Source: Mitre, NVD

Published: 2021-08-18

Updated: 2026-06-17

Named Vulnerability: INFRA:HALT

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00289