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CVE-2020-25926

Published: Aug 18, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-331
7.5HIGH
NVD MITRE
EPSS Score
1.3%
Top 34.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-331

Affected Products

n/an/a
nichestack tcp\/iphcc-embedded
Embedded
Operating Systems / rtos-embedded-os
NicheLiteHCC Embedded
Embedded
ICS / OT / IoT / medical-device
InterNicheHCC Embedded
Embedded
ICS / OT / IoT / medical-device
hcc-embeddedcommercialOperating Systemsaka nichestack, interniche, nichestack tcp/ip
hcc embeddedcommercialICS / OT / IoTaka interniche, nichelite

Exploitability

Official Patch Available
Workaround Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/
forescout.com
https://www.kb.cert.org/vuls/id/608209
kb.cert.org
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-217-01.json
raw.githubusercontent.com
and 28 more references View all →

Timeline

Published
Aug 18, 2021
Last Updated
Nov 21, 2024

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