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.
Published 2022-09-20 02:15:09
Updated 2022-09-22 12:56:19
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-34746

0.11%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-34746

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.9
MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
2.2
3.6
NIST
5.9
MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
2.2
3.6
Zyxel Corporation

CWE ids for CVE-2022-34746

  • The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@zyxel.com.tw (Secondary)

References for CVE-2022-34746

Products affected by CVE-2022-34746

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