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CVE-2024-38270

Published: Sep 10, 2024Updated: Sep 18, 2024 Sources: CVE List NVDCWE-331
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.2%
Top 88.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight chance to gain a valid session token if multiple authenticated sessions are alive.

CVSS Vector Breakdown

AV:AAC:HPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:AAttack Vector
Adjacent
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

GS1900-10HP firmwareZyxelNetworking Infrastructure
gs1900-48hpv2 firmwarezyxelNetworking Infrastructure
gs1900-48 firmwarezyxelNetworking Infrastructure
gs1900-24hpv2 firmwarezyxelNetworking Infrastructure
gs1900-24ep 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-for-web-authentication-tokens-generation-in-gs1900-series-switches-09-10-2024
zyxel.com

Timeline

Published
Sep 10, 2024
Last Updated
Sep 18, 2024

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