CVE-2022-30526

2022-07-1905:45:14

CWE-269

Zyxel

www.cve.org

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.3%

JSON

A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.

CNA Affected

[
  {
    "product": "USG FLEX 100(W) firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.50 through 5.30"
      }
    ]
  },
  {
    "product": "USG FLEX 200 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.50 through 5.30"
      }
    ]
  },
  {
    "product": "USG FLEX 500 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.50 through 5.30"
      }
    ]
  },
  {
    "product": "USG FLEX 700 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.50 through 5.30"
      }
    ]
  },
  {
    "product": "ATP series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.32 through 5.30"
      }
    ]
  },
  {
    "product": "VPN series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.30 through 5.30"
      }
    ]
  },
  {
    "product": "USG FLEX 50(W) firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.16 through 5.30"
      }
    ]
  },
  {
    "product": "USG 20(W)-VPN firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.16 through 5.30"
      }
    ]
  },
  {
    "product": "USG/ZyWALL series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.09 through 4.72"
      }
    ]
  }
]