What is CVE-2020-25926?

CVE-2020-25926 is a high-severity vulnerability in Hcc-Embedded Nichestack Tcp\/ip, classified under Insufficient Entropy. CVSS score: 7.5/10. Published 2021-08-18.

How severe is CVE-2020-25926?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Hcc-Embedded Nichestack Tcp\/ip

CVE-2020-25926

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.

EPSS: 0.013 (66.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Hcc-embedded Nichestack_tcp\/ip — versions 4.0.1
N/a — versions n/a

Weakness classification (CWE)

CWE-331 — Insufficient Entropy

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Mitigation)
cve@mitre.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2020-25926?: CVE-2020-25926 is a high-severity vulnerability in Hcc-Embedded Nichestack Tcp\/ip, classified under Insufficient Entropy. CVSS score: 7.5/10. Published 2021-08-18.
How severe is CVE-2020-25926?: High severity. CVSS v3 base score is 7.5 out of 10.