Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2023-6764

Severity CVSS v4.0:
Pending analysis
Type:
CWE-134 Format String Vulnerability
Publication date:
20/02/2024
Last modified:
21/01/2025

Description

<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, and USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1 could allow an attacker to achieve unauthorized remote code execution by sending a sequence of specially crafted payloads containing an invalid pointer; however, such an attack would require detailed knowledge of an affected device’s memory layout and configuration.<br /> <br /> <br /> <br />

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* 4.32 (including) 5.37 (excluding)
cpe:2.3:o:zyxel:atp100_firmware:5.37:-:*:*:*:*:*:*
cpe:2.3:o:zyxel:atp100_firmware:5.37:patch1:*:*:*:*:*:*
cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* 4.32 (including) 5.37 (excluding)
cpe:2.3:o:zyxel:atp100w_firmware:5.37:-:*:*:*:*:*:*
cpe:2.3:o:zyxel:atp100w_firmware:5.37:patch1:*:*:*:*:*:*
cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* 4.32 (including) 5.37 (excluding)
cpe:2.3:o:zyxel:atp200_firmware:5.37:-:*:*:*:*:*:*
cpe:2.3:o:zyxel:atp200_firmware:5.37:patch1:*:*:*:*:*:*
cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* 4.32 (including) 5.37 (excluding)
cpe:2.3:o:zyxel:atp500_firmware:5.37:-:*:*:*:*:*:*
cpe:2.3:o:zyxel:atp500_firmware:5.37:patch1:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools