What is the severity of CVE-2024-9677?

CVE-2024-9677 is classified with a severity rating that indicates the potential for privilege escalation due to insufficiently protected credentials.

How do I fix CVE-2024-9677?

To remediate CVE-2024-9677, it is advised to upgrade the USG FLEX H series uOS firmware to version 1.30 or later.

Who is affected by CVE-2024-9677?

The vulnerability CVE-2024-9677 affects users of the USG FLEX H series devices running uOS firmware version V1.21 and earlier.

What type of attack does CVE-2024-9677 facilitate?

CVE-2024-9677 allows an authenticated local attacker to perform privilege escalation by stealing the authentication token of an administrator.

Is my device vulnerable to CVE-2024-9677?

You would be vulnerable to CVE-2024-9677 if your USG FLEX H series device is using uOS firmware version V1.21 or earlier.

Vulnerability/
CVE-2024-9677

high

7.8

CWE

522

EPSS

0.043%

22/10/2024

5/12/2024

CVE-2024-9677

First published: Tue Oct 22 2024(Updated: )

The insufficiently protected credentials vulnerability in the CLI command of the USG FLEX H series uOS firmware version V1.21 and earlier versions could allow an authenticated local attacker to gain privilege escalation by stealing the authentication token of a login administrator. Note that this attack could be successful only if the administrator has not logged out.

Credit: security@zyxel.com.tw

Affected Software	Affected Version	How to fix
All of
Zyxel UOS	<1.30
Any of
Zyxel USG FLEX 100h
Zyxel USG FLEX 200h firmware
Zyxel USG FLEX 200hp
Zyxel USG FLEX 500h firmware
Zyxel USG FLEX 700h firmware

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Reference Links

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-insufficiently-protected-credentials-vulnerability-in-firewalls-10-22-2024

Frequently Asked Questions

What is the severity of CVE-2024-9677?
CVE-2024-9677 is classified with a severity rating that indicates the potential for privilege escalation due to insufficiently protected credentials.
How do I fix CVE-2024-9677?
To remediate CVE-2024-9677, it is advised to upgrade the USG FLEX H series uOS firmware to version 1.30 or later.
Who is affected by CVE-2024-9677?
The vulnerability CVE-2024-9677 affects users of the USG FLEX H series devices running uOS firmware version V1.21 and earlier.
What type of attack does CVE-2024-9677 facilitate?
CVE-2024-9677 allows an authenticated local attacker to perform privilege escalation by stealing the authentication token of an administrator.
Is my device vulnerable to CVE-2024-9677?
You would be vulnerable to CVE-2024-9677 if your USG FLEX H series device is using uOS firmware version V1.21 or earlier.

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collector/nvd-api
source/NVD
agent/software-canonical-lookup
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vendor/zyxel
canonical/zyxel uos
canonical/zyxel usg flex 100h
canonical/zyxel usg flex 200h firmware
canonical/zyxel usg flex 200hp
canonical/zyxel usg flex 500h firmware
canonical/zyxel usg flex 700h firmware

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