A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted GRE configuration when the cloud management mode is enabled.
Published 2023-07-17 18:15:09
Updated 2023-07-26 21:35:29
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-33012

0.93%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2023-33012

  • Zyxel parse_config.py Command Injection
    Disclosure Date: 2024-01-24
    First seen: 2024-07-05
    exploit/linux/http/zyxel_parse_config_rce
    This module exploits vulnerabilities in multiple Zyxel devices including the VPN, USG and APT series. The affected firmware versions depend on the device module, see this module's documentation for more details. Note this module was unable to be tested against a real

CVSS scores for CVE-2023-33012

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.8
HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
Zyxel Corporation

CWE ids for CVE-2023-33012

Products affected by CVE-2023-33012

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