CVE-2023-22918

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.21%
Vendor Advisory zyxel.com
Affected: Zyxel ATP series firmware
Affected: Zyxel USG FLEX series firmware
Affected: Zyxel USG FLEX 50(W) firmware
Affected: Zyxel USG20(W)-VPN firmware
Affected: Zyxel VPN series firmware
Affected: Zyxel NWA110AX firmware
Affected: Zyxel WAC500 firmware
Affected: Zyxel WAX510D firmware
Published at:
Updated at:

References

Link Tags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-of-firewalls-and-aps patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-22918?
CVE-2023-22918 has been scored as a medium severity vulnerability.
How to fix CVE-2023-22918?
To fix CVE-2023-22918, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-22918 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-22918 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-22918?
CVE-2023-22918 affects Zyxel ATP series firmware, Zyxel USG FLEX series firmware, Zyxel USG FLEX 50(W) firmware, Zyxel USG20(W)-VPN firmware, Zyxel VPN series firmware, Zyxel NWA110AX firmware, Zyxel WAC500 firmware, Zyxel WAX510D firmware.
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