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ZyxelVULNRICHMENT:CVE-2024-42058

HistorySep 03, 2024 - 1:47 a.m.

CVE-2024-42058

2024-09-0301:47:29

CWE-476

Zyxel

github.com

zyxel

atp series

usg flex

usg20(w)-vpn

null pointer dereference

vulnerability

dos

crafted packets

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

Confidence

High

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

JSON

A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V5.20 through V5.38, and USG20(W)-VPN series firmware versions from V5.20 through V5.38 could allow an unauthenticated attacker to cause DoS conditions by sending crafted packets to a vulnerable device.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:*"
    ],
    "vendor": "zyxel",
    "product": "atp800_firmware",
    "versions": [
      {
        "status": "affected",
        "version": "4.32",
        "versionType": "custom",
        "lessThanOrEqual": "5.38"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:*"
    ],
    "vendor": "zyxel",
    "product": "usg_flex_700h_firmware",
    "versions": [
      {
        "status": "affected",
        "version": "4.5",
        "versionType": "custom",
        "lessThanOrEqual": "5.38"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*"
    ],
    "vendor": "zyxel",
    "product": "usg_flex_50w_firmware",
    "versions": [
      {
        "status": "affected",
        "version": "5.20",
        "versionType": "custom",
        "lessThanOrEqual": "5.38"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-09-03-2024

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

Confidence

High

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

JSON

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