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[email protected]CVE-2023-28771

HistoryApr 25, 2023 - 2:15 a.m.

CVE-2023-28771

2023-04-2502:15:08

CWE-78

[email protected]

web.nvd.nist.gov

420

In Wild

cve-2023-28771

zyxel

zywall

usg

vpn

flex

atp

firmware

vulnerability

remote execution

nvd

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.6 High

AI Score

Confidence

High

0.919 High

EPSS

Percentile

98.9%

JSON

Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.

Affected configurations

NVD

Node

zyxelatp100Match-

AND

zyxelatp100_firmwareRange4.60–5.36

Node

zyxelatp100wMatch-

AND

zyxelatp100w_firmwareRange4.60–5.35

Node

zyxelatp200Match-

AND

zyxelatp200_firmwareRange4.60–5.36

Node

zyxelatp500Match-

AND

zyxelatp500_firmwareRange4.60–5.36

Node

zyxelatp700Match-

AND

zyxelatp700_firmwareRange4.60–5.36

Node

zyxelatp800Match-

AND

zyxelatp800_firmwareRange4.60–5.36

Node

zyxelusg_flex_100Match-

AND

zyxelusg_flex_100_firmwareRange4.60–5.36

Node

zyxelusg_flex_100wMatch-

AND

zyxelusg_flex_100w_firmwareRange4.60–5.36

Node

zyxelusg_flex_200_firmwareRange4.60–5.36

AND

zyxelusg_flex_200Match-

Node

zyxelusg_flex_50_firmwareRange4.60–5.36

AND

zyxelusg_flex_50Match-

Node

zyxelusg_flex_500_firmwareRange4.60–5.36

AND

zyxelusg_flex_500Match-

Node

zyxelusg_flex_50w_firmwareRange4.60–5.36

AND

zyxelusg_flex_50wMatch-

Node

zyxelusg_flex_700_firmwareRange4.60–5.36

AND

zyxelusg_flex_700Match-

Node

zyxelvpn100_firmwareRange4.60–5.36

AND

zyxelvpn100Match-

Node

zyxelvpn1000_firmwareRange4.60–5.36

AND

zyxelvpn1000Match-

Node

zyxelvpn300_firmwareRange4.60–5.36

AND

zyxelvpn300Match-

Node

zyxelvpn50_firmwareRange4.60–5.36

AND

zyxelvpn50Match-

Node

zyxelzywall_usg_310_firmwareRange4.60–4.73

zyxelzywall_usg_310_firmwareMatch4.73-

AND

zyxelzywall_usg_310Match-

Node

zyxelzywall_usg_100_firmwareRange4.60–4.73

zyxelzywall_usg_100_firmwareMatch4.73-

AND

zyxelzywall_usg_100Match-

CPENameOperatorVersion
zyxel:atp100_firmwarezyxel atp100 firmwarelt5.36

CPE	Name	Operator	Version
zyxel:atp100_firmware	zyxel atp100 firmware	lt	5.36

CNA Affected

[
  {
    "vendor": "Zyxel",
    "product": "ZyWALL/USG series firmware",
    "versions": [
      {
        "version": "4.60 through 4.73",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Zyxel",
    "product": "VPN series firmware",
    "versions": [
      {
        "version": "4.60 through 5.35",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Zyxel",
    "product": "USG FLEX series firmware",
    "versions": [
      {
        "version": "4.60 through 5.35",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Zyxel",
    "product": "ATP series firmware",
    "versions": [
      {
        "version": "4.60 through 5.35",
        "status": "affected"
      }
    ]
  }
]