CVE has been recently published to the CVE List and has been received by the NVD.
Products
Zyxel ATP series
- 4.32 - 5.38
USG FLEX series
- 4.50 - 5.38
USG FLEX 50(W) series
- 5.20 - 5.38
USG20(W)-VPN series
- 5.20 - 5.38
Source
security@zyxel.com.tw
Tags
CVE-2024-42058 details
Last Modified : Sept. 3, 2024, 12:59 p.m.
Description
A null pointer dereference vulnerability in 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 V5.20 through V5.38, and USG20(W)-VPN series firmware versions from V5.20 through V5.38 could allow an unauthenticated attacker to cause DoS conditions by sending crafted packets to a vulnerable device.
CVSS Score
| 1 | 2 | 3 | 4 | 5 | 6 | 7.5 | 8 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. |
CVSS Data
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Base Score
7.5
Exploitability Score
3.9
Impact Score
3.6
Base Severity
HIGH
Vector String : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 |