Insufficient Session Expiration in Zyxel NBG6604 Firmware
CVE-2021-35034

7.4HIGH

Key Information:

Vendor

Zyxel
Status
Nbg6604 Series Firmware
Vendor
CVE Published:
29 December 2021

What is CVE-2021-35034?

The Zyxel NBG6604 firmware contains an insufficient session expiration vulnerability in its CGI program, allowing a potential remote attacker to gain unauthorized access if they successfully intercept a valid session token. This vulnerability underscores the importance of robust session management practices to protect sensitive information and prevent unauthorized access.

Affected Version(s)

NBG6604 series firmware 1.00(ABIR.8)C0

References

https://www.zyxel.com/support/Zyxel_security_advisory_for...
x_refsource_CONFIRM

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.