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CVE-2022-34746

Published: Sep 20, 2022Updated: Nov 21, 2024 Sources: CVE List NVDCWE-331
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
0.3%
Top 77.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An insufficient entropy vulnerability caused by the improper use of randomness sources with low entropy for RSA key pair generation was found in Zyxel GS1900 series firmware versions prior to V2.70. This vulnerability could allow an unauthenticated attacker to retrieve a private key by factoring the RSA modulus N in the certificate of the web administration interface.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-331

Affected Products

gs1900-8 firmwarezyxelNetworking Infrastructure
gs1900-8hp firmwarezyxelNetworking Infrastructure
gs1900-10hp firmwarezyxelNetworking Infrastructure
gs1900-16 firmwarezyxelNetworking Infrastructure
gs1900-24 firmwarezyxelNetworking Infrastructure
zyxelcommercialTWNetworking Infrastructureaka zyxel communications corp.
and 6 more affected products View all →

Exploitability

Official Patch Available

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-insufficient-entropy-vulnerability-of-gs1900-series-switches
zyxel.com

Timeline

Published
Sep 20, 2022
Last Updated
Nov 21, 2024

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