CVE-2023-4397

A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device.

CVSS v3 4.4 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:h:zyxel:atp100:-:::::::*
	cpe:2.3:h:zyxel:atp100w:-:::::::*
	cpe:2.3:h:zyxel:atp200:-:::::::*
	cpe:2.3:h:zyxel:atp500:-:::::::*
	cpe:2.3:h:zyxel:atp700:-:::::::*
	cpe:2.3:h:zyxel:atp800:-:::::::*

cpe:2.3:o:zyxel:zld:5.37:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

OR	cpe:2.3:h:zyxel:usg_flex_100:-:::::::*
	cpe:2.3:h:zyxel:usg_flex_100w:-:::::::*
	cpe:2.3:h:zyxel:usg_flex_200:-:::::::*
	cpe:2.3:h:zyxel:usg_flex_50:-:::::::*
	cpe:2.3:h:zyxel:usg_flex_500:-:::::::*
	cpe:2.3:h:zyxel:usg_flex_50w:-:::::::*
	cpe:2.3:h:zyxel:usg_flex_700:-:::::::*

cpe:2.3:o:zyxel:zld:5.37:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

OR	cpe:2.3:h:zyxel:usg_20w-vpn:-:::::::*
	cpe:2.3:h:zyxel:vpn50w:-:::::::*

cpe:2.3:o:zyxel:zld:5.37:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-11-28 02:15

Updated : 2023-12-04 18:05

NVD link : CVE-2023-4397

Mitre link : CVE-2023-4397

CVE.ORG link : CVE-2023-4397

JSON object : View

Products Affected

zyxel

atp700
usg_flex_500
atp100w
atp100
atp200
usg_flex_100
usg_flex_700
zld
atp800
usg_flex_200
atp500
usg_flex_50
usg_flex_50w
vpn50w
usg_flex_100w
usg_20w-vpn

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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