Vulnerability Details : CVE-2023-4397
A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2023-4397
- cpe:2.3:o:zyxel:zld:5.37:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-4397
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-4397
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
Zyxel Corporation |
CWE ids for CVE-2023-4397
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: security@zyxel.com.tw (Primary)
References for CVE-2023-4397
-
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps
Zyxel security advisory for multiple vulnerabilities in firewalls and APs | Zyxel NetworksVendor Advisory
Jump to