CVE has been recently published to the CVE List and has been received by the NVD.
Products
Zyxel ATP series
- V4.32 - V5.38
USG FLEX series
- V4.50 - V5.38
USG FLEX 50(W) series
- V4.16 - V5.38
USG20(W)-VPN series
- V4.16 - V5.38
Source
security@zyxel.com.tw
Tags
CVE-2024-42057 details
Last Modified : Sept. 3, 2024, 12:59 p.m.
Description
A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an unauthenticated attacker to execute some OS commands on an affected device by sending a crafted username to the vulnerable device. Note that this attack could be successful only if the device was configured in User-Based-PSK authentication mode and a valid user with a long username exceeding 28 characters exists.
CVSS Score
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8.1 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|---|---|
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
CVSS Data
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
8.1
Exploitability Score
2.2
Impact Score
5.9
Base Severity
HIGH
Vector String : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
| URL | Source |
|---|---|
| https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-09-03-2024 | security@zyxel.com.tw |