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ZyxelCVELIST:CVE-2023-34141

HistoryJul 17, 2023 - 5:56 p.m.

CVE-2023-34141

2023-07-1717:56:26

CWE-78

Zyxel

www.cve.org

command injection

zyxel

atp

usg

flex

usg20

vpn

nxc2500

nxc5500

firmware

vulnerability

lan-based attacker

8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.8%

JSON

A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series firmware versions 5.00 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the managed AP list in advance.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "ATP series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "5.00 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "USG FLEX series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "5.00 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "USG FLEX 50(W) series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "5.00 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "USG20(W)-VPN series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "5.00 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "VPN series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "5.00 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "NXC2500 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "6.10(AAIG.0) through 6.10(AAIG.3)"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "NXC5500 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": " 6.10(AAOS.0) through 6.10(AAOS.4)"
      }
    ]
  }
]

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers

8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.8%

JSON

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