CVE-2024-29976

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

The improper privilege management vulnerability in the command “show_allsessions” in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an authenticated attacker to obtain a logged-in administrator’s session information containing cookies on an affected device.

La vulnerabilidad de administración de privilegios inadecuada en el comando “show_allsessions” en las versiones de firmware Zyxel NAS326 anteriores a V5.21(AAZF.17)C0 y versiones de firmware NAS542 anteriores a V5.21(ABAG.14)C0 podría permitir una atacante autenticado para obtener información de la sesión de un administrador que ha iniciado sesión y que contiene cookies en un dispositivo afectado.

*Credits: N/A

CVSS Scores

Zyxel Corporationv3.1 6.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-03-22 CVE Reserved
2024-06-04 CVE Published
2024-06-04 EPSS Updated
2024-06-30 First Exploit
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-269: Improper Privilege Management

CAPEC

References (3)

URL	Tag	Source
https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities

URL	Date	SRC
https://github.com/Pommaq/CVE-2024-29972-CVE-2024-29976-CVE-2024-29973-CVE-2024-29975-CVE-2024-29974-poc	2024-06-30

URL	Date	SRC

URL	Date	SRC
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024	2024-06-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Zyxel Search vendor "Zyxel"		NAS326 Firmware Search vendor "Zyxel" for product "NAS326 Firmware"				< 5.21 Search vendor "Zyxel" for product "NAS326 Firmware" and version " < 5.21"		en		Affected
Zyxel Search vendor "Zyxel"		NAS542 Firmware Search vendor "Zyxel" for product "NAS542 Firmware"				< 5.21 Search vendor "Zyxel" for product "NAS542 Firmware" and version " < 5.21"		en		Affected

* End Of Life in some or all products. Do not expect updates.