CVE-2023-5650 : An improper privilege management vulnerability in the ZySH of the Zyxel ATP seri

An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to modify the URL of the registration page in the web GUI of an affected device.

Published 2023-11-28 02:15:43

Updated 2023-12-04 18:02:42

Source Zyxel Corporation

View at NVD, CVE.org

Products affected by CVE-2023-5650

Zyxel » ZLD
Versions from including (>=) 4.50 and up to, including, (<=) 5.37
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Usg Flex 100 » Version: N/A
When used together with: Zyxel » Usg Flex 100w » Version: N/A
When used together with: Zyxel » Usg Flex 200 » Version: N/A
When used together with: Zyxel » Usg Flex 50 » Version: N/A
When used together with: Zyxel » Usg Flex 500 » Version: N/A
When used together with: Zyxel » Usg Flex 50w » Version: N/A
When used together with: Zyxel » Usg Flex 700 » Version: N/A
Zyxel » ZLD
Versions from including (>=) 4.16 and up to, including, (<=) 5.37
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Usg 20w-vpn » Version: N/A
When used together with: Zyxel » Vpn50w » Version: N/A
Zyxel » ZLD
Versions from including (>=) 4.32 and up to, including, (<=) 5.37
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Atp100 » Version: N/A
When used together with: Zyxel » Atp100w » Version: N/A
When used together with: Zyxel » Atp200 » Version: N/A
When used together with: Zyxel » Atp500 » Version: N/A
When used together with: Zyxel » Atp700 » Version: N/A
When used together with: Zyxel » Atp800 » Version: N/A
Zyxel » ZLD
Versions from including (>=) 4.30 and up to, including, (<=) 5.37
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vpn100 » Version: N/A
When used together with: Zyxel » Vpn1000 » Version: N/A
When used together with: Zyxel » Vpn300 » Version: N/A
When used together with: Zyxel » Vpn50 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2023-5650

EPSS FAQ

0.03%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-5650

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	1.8	3.6	Zyxel Corporation
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2023-5650

CWE-269 Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Assigned by: security@zyxel.com.tw (Primary)

References for CVE-2023-5650

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

Zyxel security advisory for multiple vulnerabilities in firewalls and APs | Zyxel Networks
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2023-5650

Products affected by CVE-2023-5650

Exploit prediction scoring system (EPSS) score for CVE-2023-5650

CVSS scores for CVE-2023-5650

CWE ids for CVE-2023-5650

References for CVE-2023-5650