Vulnerability Details : CVE-2023-22916
The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50(W) firmware versions 5.10 through 5.35, USG20(W)-VPN firmware versions 5.10 through 5.35, and VPN series firmware versions 5.00 through 5.35, which fails to properly sanitize user input. A remote unauthenticated attacker could leverage the vulnerability to modify device configuration data, resulting in DoS conditions on an affected device if the attacker could trick an authorized administrator to switch the management mode to the cloud mode.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2023-22916
- cpe:2.3:o:zyxel:usg_20w-vpn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vpn50_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vpn100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vpn300_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vpn1000_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:atp100w_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:atp700_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-2023-22916
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-22916
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H |
2.8
|
5.2
|
NIST | |
|
8.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H |
2.8
|
5.2
|
Zyxel Corporation |
CWE ids for CVE-2023-22916
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: security@zyxel.com.tw (Secondary)
References for CVE-2023-22916
-
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-of-firewalls-and-aps
Page Not Found | Zyxel NetworksVendor Advisory
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