// For flags

CVE-2023-4397

 

Severity Score

4.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Una vulnerabilidad de desbordamiento del búfer en la versión 5.37 del firmware de la serie Zyxel ATP, la versión 5.37 del firmware de la serie USG FLEX, la versión 5.37 del firmware de la serie USG FLEX 50(W) y la versión 5.37 del firmware de la serie USG20(W)-VPN, podría permitir que un atacante local autenticado con privilegios de administrador para provocar condiciones de denegación de servicio (DoS) ejecutando el comando CLI con cadenas manipuladas en un dispositivo afectado.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-08-17 CVE Reserved
  • 2023-11-28 CVE Published
  • 2023-11-28 EPSS Updated
  • 2024-08-02 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp100
Search vendor "Zyxel" for product "Atp100"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp100w
Search vendor "Zyxel" for product "Atp100w"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp200
Search vendor "Zyxel" for product "Atp200"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp500
Search vendor "Zyxel" for product "Atp500"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp700
Search vendor "Zyxel" for product "Atp700"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp800
Search vendor "Zyxel" for product "Atp800"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 100
Search vendor "Zyxel" for product "Usg Flex 100"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 100w
Search vendor "Zyxel" for product "Usg Flex 100w"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 200
Search vendor "Zyxel" for product "Usg Flex 200"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 50
Search vendor "Zyxel" for product "Usg Flex 50"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 500
Search vendor "Zyxel" for product "Usg Flex 500"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 50w
Search vendor "Zyxel" for product "Usg Flex 50w"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 700
Search vendor "Zyxel" for product "Usg Flex 700"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg 20w-vpn
Search vendor "Zyxel" for product "Usg 20w-vpn"
--
Safe
Zyxel
Search vendor "Zyxel"
Zld
Search vendor "Zyxel" for product "Zld"
5.37
Search vendor "Zyxel" for product "Zld" and version "5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Vpn50w
Search vendor "Zyxel" for product "Vpn50w"
--
Safe