CVE-2023-28767
Last modified
CVE-2023-28767 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36, USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36, USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Usg 2200-Vpn Firmware | >= 5.00, < 5.37 |
| Zyxel | Usg Flex 100 Firmware | >= 5.00, < 5.37 |
| Zyxel | Usg Flex 100w Firmware | >= 5.00, < 5.37 |
| Zyxel | Usg Flex 200 Firmware | >= 5.00, < 5.37 |
| Zyxel | Usg Flex 50 Firmware | >= 5.00, < 5.37 |
| Zyxel | Usg Flex 500 Firmware | >= 5.00, < 5.37 |
| Zyxel | Usg Flex 50w Firmware | >= 5.00, < 5.37 |
| Zyxel | Usg Flex 700 Firmware | >= 5.00, < 5.37 |
| Zyxel | Zywall Vpn100 Firmware | >= 5.00, < 5.37 |
| Zyxel | Zywall Vpn2s Firmware | >= 5.00, < 5.37 |
| Zyxel | Zywall Vpn300 Firmware | >= 5.00, < 5.37 |
| Zyxel | Zywall Vpn50 Firmware | >= 5.00, < 5.37 |
| Zyxel | Zywall Vpn 100 Firmware | >= 5.00, < 5.37 |
| Zyxel | Zywall Vpn 300 Firmware | >= 5.00, < 5.37 |
| Zyxel | Zywall Vpn 50 Firmware | >= 5.00, < 5.37 |
| Zyxel | Usg 20w-Vpn Firmware | >= 5.10, < 5.37 |
| Zyxel | Zywall Atp100 Firmware | >= 5.10, < 5.37 |
| Zyxel | Zywall Atp100w Firmware | >= 5.10, < 5.37 |
| Zyxel | Zywall Atp200 Firmware | >= 5.10, < 5.37 |
| Zyxel | Zywall Atp500 Firmware | >= 5.10, < 5.37 |
| Zyxel | Zywall Atp700 Firmware | >= 5.10, < 5.37 |
| Zyxel | Zywall Atp800 Firmware | >= 5.10, < 5.37 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-28767?
How severe is CVE-2023-28767?
How do I fix CVE-2023-28767?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2023
- CVE-2023-28761In SAP NetWeaver Enterprise Portal - version 7.50, an unauth…6.5
- CVE-2023-28762SAP BusinessObjects Business Intelligence Platform - version…7.2
- CVE-2023-28763SAP NetWeaver AS for ABAP and ABAP Platform - versions 740, …6.5
- CVE-2023-28764SAP BusinessObjects Platform - versions 420, 430, Informatio…5.9
- CVE-2023-28765An attacker with basic privileges in SAP BusinessObjects Bus…9.8
- CVE-2023-28766A vulnerability has been identified in SIPROTEC 5 6MD85 (CP3…7.5
- CVE-2023-28768Improper frame handling in the Zyxel XGS2220-30 firmware ver…6.5
- CVE-2023-28769The buffer overflow vulnerability in the library “libclinkc.…9.8
- CVE-2023-2877The Formidable Forms WordPress plugin before 6.3.1 does not …8.8
- CVE-2023-28770The sensitive information exposure vulnerability in the CGI …7.5
- CVE-2023-28771Improper error message handling in Zyxel ZyWALL/USG series f…9.8
- CVE-2023-28772An issue was discovered in the Linux kernel before 5.13.3. l…6.7
Are you affected by CVE-2023-28767?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
