CVE-2024-38270: Medium severity zyxel gs1900-48hpv2 vulnerability

Published Sep 10, 2024
·
Updated

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.

Affected Software

20 affected components
All of the following
Zyxel Gs1900-48hpv2 Firmware<2.80\(abtq.1\)c0
Zyxel Gs1900-48hpv2
All of the following
Zyxel Gs1900-48 Firmware<2.80\(aahn.1\)c0
Zyxel GS1900-48
All of the following
Zyxel Gs1900-24hpv2 Firmware<2.80\(abtp.1\)c0
Zyxel Gs1900-24hpv2
All of the following
Zyxel Gs1900-24ep Firmware<2.80\(abto.1\)c0
Zyxel GS1900-24EP
All of the following
Zyxel Gs1900-24e Firmware<=2.80\(aahk.1\)c0
Zyxel GS1900-24E
All of the following
Zyxel Gs1900-24 Firmware<=2.80\(aahl.1\)c0
Zyxel GS1900-24
All of the following
Zyxel Gs1900-16 Firmware<2.80\(aahj.1\)c0
Zyxel Gs1900-16
All of the following
Zyxel GS1900-10HP firmware<2.80\(aazi.1\)c0
Zyxel GS1900-10HP
All of the following
Zyxel GS1900-8HP firmware<2.80\(aahi.1\)c0
Zyxel GS1900-8HP
All of the following
Zyxel GS1900-8 firmware<2.80\(aahh.1\)c0
Zyxel GS1900-8

Event History

Sep 10, 2024
CVE Published
via MITRE·01:20 AM
Data Sourced
via MITRE·01:20 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2024-38270?

CVE-2024-38270 is considered a vulnerability with a slight risk of exploitation due to insufficient entropy in web authentication token generation.

2

How do I fix CVE-2024-38270?

To mitigate CVE-2024-38270, update the firmware of the affected Zyxel GS1900 series switches to the latest version provided by Zyxel.

3

Which devices are affected by CVE-2024-38270?

CVE-2024-38270 affects several Zyxel GS1900 series switches, including models GS1900-10HP, GS1900-24E, and GS1900-48HPV2 with specific firmware versions.

4

What type of attack can exploit CVE-2024-38270?

CVE-2024-38270 can allow a LAN-based attacker to potentially gain unauthorized access to web authentication tokens.

5

Who is responsible for fixing CVE-2024-38270?

The responsibility for fixing CVE-2024-38270 lies with Zyxel, which will provide patches through firmware updates as necessary.

Contact

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