Cyber Resilience

CVE-2020-25927

High

Published: 18 August 2021

Published
18 August 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0049 65.9th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-25927 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Hcc-Embedded Nichestack Tcp\/Ip. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 34.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Out-of-bounds Read. The impact is: a denial of service (remote). The component is: DNS response processing in function: dns_upcall(). The attack vector is: a specific DNS response packet. The…

more

code does not check whether the number of queries/responses specified in the DNS packet header corresponds to the query/response data available in the DNS packet.

CWE(s)
CWE-125

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

hcc-embedded
nichestack tcp\/ip
4.0.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References