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CVE-2021-35034

HIGH
Published 2021-12-29T12:36:47
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Expert Analysis

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CVSS Score

V3.1
7.4
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.003
probability
of exploitation in the wild

There is a 0.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.692
Higher than 69.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Zyxel

NBG6604 series firmware

Affected Versions:

1.00(ABIR.8)C0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-38gc-w4h9-7pmf

Advisory Details

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.

CVSS Scoring

CVSS Score

9.0

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-35034
WEB https://www.zyxel.com/support/Zyxel_security_advisory_for_sensitive_information_vulnerabilities_of_NBG6604_home_router.shtml

Advisory provided by GitHub Security Advisory Database. Published: December 30, 2021, Modified: January 8, 2022

References

https://www.zyxel.com/support/Zyxel_security_advisory_for_sensitive_information_vulnerabilities_of_NBG6604_home_router.shtml
Published: 2021-12-29T12:36:47
Last Modified: 2024-08-04T00:33:49.919Z
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