Vulnerability Details : CVE-2022-43393

An improper check for unusual or exceptional conditions in the HTTP request processing function of Zyxel GS1920-24v2 firmware prior to V4.70(ABMH.8)C0, which could allow an unauthenticated attacker to corrupt the contents of the memory and result in a denial-of-service (DoS) condition on a vulnerable device.
Published 2023-01-11 02:15:11
Updated 2023-01-18 23:37:42
Source Zyxel Corporation
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2022-43393

EPSS FAQ
0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-43393

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
3.9
4.2
 NIST
8.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
3.9
4.2
 Zyxel Corporation

CWE ids for CVE-2022-43393

  • The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@zyxel.com.tw (Secondary)

References for CVE-2022-43393

Products affected by CVE-2022-43393

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