Is CVE-2022-34746 in the CISA KEV catalog?

No. CVE-2022-34746 is not currently on the CISA Known Exploited Vulnerabilities list.

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

CVE-2022-34746 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2022-34746?

CVE-2022-34746 has an EPSS score of 0.32% (24th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-34746?

Upgrade gs1900-10hp firmware to 2.70(aazi.3)c0 or later. Fixes are available for 10 affected products.

CVE & CISA-KEV Catalog

CVE-2022-34746

MEDIUM

5.9

CVSS v3

NVD

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.

CWE-331

How to fix

Remediation Available

gs1900-10hp firmwareNVD

Affected:< 2.70(aazi.3)c0Fixed in:2.70(aazi.3)c0CVE-2022-34746derived from NVD

gs1900-16 firmwareNVD

Affected:< 2.70(aahj.3)c0Fixed in:2.70(aahj.3)c0CVE-2022-34746derived from NVD

gs1900-24 firmwareNVD

Affected:< 2.70(aahl.3)c0Fixed in:2.70(aahl.3)c0CVE-2022-34746derived from NVD

gs1900-24e firmwareNVD

Affected:< 2.70(aahk.3)c0Fixed in:2.70(aahk.3)c0CVE-2022-34746derived from NVD

gs1900-24ep firmwareNVD

Affected:< 2.70(abto.3)c0Fixed in:2.70(abto.3)c0CVE-2022-34746derived from NVD

gs1900-24hpv2 firmwareNVD

Affected:< 2.70(abtp.3)c0Fixed in:2.70(abtp.3)c0CVE-2022-34746derived from NVD

gs1900-48 firmwareNVD

Affected:< 2.70(aahn.3)c0Fixed in:2.70(aahn.3)c0CVE-2022-34746derived from NVD

gs1900-48hpv2 firmwareNVD

Affected:< 2.70(abtq.3)c0Fixed in:2.70(abtq.3)c0CVE-2022-34746derived from NVD

gs1900-8 firmwareNVD

Affected:< 2.70(aahh.3)c0Fixed in:2.70(aahh.3)c0CVE-2022-34746derived from NVD

gs1900-8hp firmwareNVD

Affected:< 2.70(aahi.3)c0Fixed in:2.70(aahi.3)c0CVE-2022-34746derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.32%probability of exploitation in 30 days

24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Patch1

zyxel.com

Related Vulnerabilities

Other CWE-331 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2008-1447	Medium	6.8	95%	-	Fix
CVE-2018-18326	High	7.5	54%	-	-
CVE-2018-15812	High	7.5	47%	-	-
CVE-2023-38357	Medium	5.3	5.3%	-	Fix
CVE-2015-3405	High	7.5	5.3%	-	Fix
CVE-2008-2108	Critical	9.8	4.3%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.