CVE-2023-4398

HIGH

7.5

Description

An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions on an affected device by sending a crafted IKE packet.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published11/28/2023

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

zyxel:atp100zyxel:atp100wzyxel:atp200zyxel:atp500zyxel:atp700zyxel:atp800zyxel:usg_20w-vpnzyxel:usg_flex_100zyxel:usg_flex_100wzyxel:usg_flex_200zyxel:usg_flex_50zyxel:usg_flex_500zyxel:usg_flex_50wzyxel:usg_flex_700zyxel:vpn100zyxel:vpn1000zyxel:vpn300zyxel:vpn50zyxel:vpn50wzyxel:zld

Weaknesses (CWE)

CWE-190

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps(security@zyxel.com.tw)

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.