Vulnerability Details : CVE-2023-28767
The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36,
USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.
Products affected by CVE-2023-28767
- 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-2023-28767
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-28767
| 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-2023-28767
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by:
- nvd@nist.gov (Primary)
- security@zyxel.com.tw (Secondary)
References for CVE-2023-28767
-
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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