NVD

CVE-2023-28771 Detail

Description

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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: Zyxel Corporation

Base Score: 9.8 CRITICAL

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://packetstormsecurity.com/files/172820/Zyxel-IKE-Packet-Decoder-Unauthenticated-Remote-Code-Execution.html	Exploit Third Party Advisory
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls	Vendor Advisory

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name	Date Added	Due Date	Required Action
Zyxel Multiple Firewalls OS Command Injection Vulnerability	05/31/2023	06/21/2023	Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	NIST Zyxel Corporation

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Initial Analysis by NIST 5/04/2023 2:46:01 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:atp100_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:atp100:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:atp100w_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.35 OR cpe:2.3:h:zyxel:atp100w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:atp200_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:atp200:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:atp500_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:atp500:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:atp700_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:atp700:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:atp800_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:atp800:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:usg_flex_100_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:usg_flex_100:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:usg_flex_100w_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:usg_flex_100w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:usg_flex_200_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:usg_flex_200:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:usg_flex_500_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:usg_flex_500:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:usg_flex_50_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:usg_flex_50:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:usg_flex_50w_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:usg_flex_50w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:usg_flex_700_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:usg_flex_700:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vpn1000_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:vpn1000:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vpn100_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:vpn100:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vpn300_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:vpn300:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vpn50_firmware::::::::* versions from (including) 4.60 up to (excluding) 5.36 OR cpe:2.3:h:zyxel:vpn50:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zywall_usg_100_firmware::::::::* versions from (including) 4.60 up to (excluding) 4.73 cpe:2.3:o:zyxel:zywall_usg_100_firmware:4.73:-::::::* OR cpe:2.3:h:zyxel:zywall_usg_100:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zywall_usg_310_firmware::::::::* versions from (including) 4.60 up to (excluding) 4.73 cpe:2.3:o:zyxel:zywall_usg_310_firmware:4.73:-::::::* OR cpe:2.3:h:zyxel:zywall_usg_310:-:::::::*
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added	CWE		NIST CWE-78
Changed	Reference Type	https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls No Types Assigned	https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2023-28771
NVD Published Date:
04/24/2023
NVD Last Modified:
06/09/2023
Source:
Zyxel Corporation

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