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ZyxelCVELIST:CVE-2023-22913

HistoryApr 24, 2023 - 12:00 a.m.

CVE-2023-22913

2023-04-2400:00:00

CWE-77

Zyxel

www.cve.org

post-authentication

cgi program

zyxel usg flex

firmware

vpn

remote attacker

device configuration

denial-of-service

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

36.7%

JSON

A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker to modify device configuration data, resulting in denial-of-service (DoS) conditions on an affected device.

CNA Affected

[
  {
    "vendor": "Zyxel",
    "product": "USG FLEX series firmware",
    "versions": [
      {
        "version": "4.50 through 5.35",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Zyxel",
    "product": "VPN series firmware",
    "versions": [
      {
        "version": "4.30 through 5.35",
        "status": "affected"
      }
    ]
  }
]

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-of-firewalls-and-aps

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

36.7%

JSON

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