Vulnerability Details : CVE-2023-33011
A format string vulnerability in 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 PPPoE configuration on an affected device when the cloud management mode is enabled.
Vulnerability category: Overflow
Products affected by CVE-2023-33011
- cpe:2.3:o:zyxel:zywall_vpn_50_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_vpn_100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_vpn_300_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_2200-vpn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_20w-vpn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_vpn100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_vpn300_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_atp100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_atp100w_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_atp200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_atp500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_atp700_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_atp800_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_vpn50_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_vpn2s_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-33011
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-33011
| 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-2023-33011
-
The product uses a function that accepts a format string as an argument, but the format string originates from an external source.Assigned by:
- nvd@nist.gov (Primary)
- security@zyxel.com.tw (Secondary)
References for CVE-2023-33011
-
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers
Access denied | Zyxel NetworksVendor Advisory
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