What is the CVSS score of CVE-2022-34746?

CVE-2022-34746 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Is there a patch available for CVE-2022-34746?

Yes, a patch is available for CVE-2022-34746. Update the affected software to the latest version immediately.

Gs1900 8 Firmware CVE-2022-34746

MEDIUM

Insufficient Entropy (CWE-331)

2022-09-20 security@zyxel.com.tw

Zyxel Information Disclosure Gs1900 8 Firmware Gs1900 8Hp Firmware Gs1900 10Hp Firmware Gs1900 16 Firmware Gs1900 24 Firmware Gs1900 24E Firmware Gs1900 24Ep Firmware Gs1900 24Hpv2 Firmware Gs1900 48 Firmware Gs1900 48Hpv2 Firmware

5.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.9 MEDIUM

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Sep 20, 2022 - 02:15 nvd

MEDIUM 5.9

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required.

Technical ContextAI

This vulnerability is classified under CWE-331. 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. Affected products include: Zyxel Gs1900-8 Firmware, Zyxel Gs1900-8Hp Firmware, Zyxel Gs1900-10Hp Firmware, Zyxel Gs1900-16 Firmware, Zyxel Gs1900-24 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.