// For flags

CVE-2021-35034

 

Severity Score

9.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An insufficient session expiration vulnerability in the CGI program of the Zyxel NBG6604 firmware could allow a remote attacker to access the device if the correct token can be intercepted.

Una vulnerabilidad de caducidad de sesión insuficiente en el programa CGI del firmware Zyxel NBG6604 podría permitir a un atacante remoto acceder al dispositivo si es posible interceptar el token correcto

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-17 CVE Reserved
  • 2021-12-29 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-09-13 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-613: Insufficient Session Expiration
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"
 Nbg6604 Firmware
Search vendor "Zyxel" for product "Nbg6604 Firmware"
 < 1.00\(abir.9\)c0
Search vendor "Zyxel" for product "Nbg6604 Firmware" and version " < 1.00\(abir.9\)c0"
-
Affected
in Zyxel
Search vendor "Zyxel"
 Nbg6604
Search vendor "Zyxel" for product "Nbg6604"
--
Safe