Vulnerability Description
A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, VPN series firmware versions 4.30 through 5.35, NWA110AX firmware version 6.50(ABTG.2) and earlier versions, WAC500 firmware version 6.50(ABVS.0) and earlier versions, and WAX510D firmware version 6.50(ABTF.2) and earlier versions, which could allow a remote authenticated attacker to retrieve encrypted information of the administrator on an affected device.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Atp200 Firmware | >= 4.32, < 5.36 |
| Zyxel | Atp200 | - |
| Zyxel | Atp100 Firmware | >= 4.32, < 5.36 |
| Zyxel | Atp100 | - |
| Zyxel | Atp700 Firmware | >= 4.32, < 5.36 |
| Zyxel | Atp700 | - |
| Zyxel | Atp500 Firmware | >= 4.32, < 5.36 |
| Zyxel | Atp500 | - |
| Zyxel | Atp100W Firmware | >= 4.32, < 5.36 |
| Zyxel | Atp100W | - |
| Zyxel | Atp800 Firmware | >= 4.32, < 5.36 |
| Zyxel | Atp800 | - |
| Zyxel | Usg Flex 100 Firmware | >= 4.50, < 5.36 |
| Zyxel | Usg Flex 100 | - |
| Zyxel | Usg Flex 50 Firmware | >= 4.50, < 5.36 |
| Zyxel | Usg Flex 50 | - |
| Zyxel | Usg Flex 200 Firmware | >= 4.50, < 5.36 |
| Zyxel | Usg Flex 200 | - |
| Zyxel | Usg Flex 500 Firmware | >= 4.50, < 5.36 |
| Zyxel | Usg Flex 500 | - |
Related Weaknesses (CWE)
References
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisPatchVendor Advisory
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisPatchVendor Advisory
FAQ
What is CVE-2023-22918?
CVE-2023-22918 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W)...
How severe is CVE-2023-22918?
CVE-2023-22918 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-22918?
Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Atp200 Firmware, Zyxel Atp200, Zyxel Atp100 Firmware, Zyxel Atp100, Zyxel Atp700 Firmware.