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CVE-2021-35296

9.8 · CRITICAL
Published Oct 4, 2021 ptcl CWE-287 EPSS 1.99% (79th pctl)

Overview

CVE-2021-35296 is a critical-severity vulnerability affecting ptcl hg150-ub_firmware. It was published on October 4, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

An issue in the administrator authentication panel of PTCL HG150-Ub v3.0 allows attackers to bypass authentication via modification of the cookie value and Response Path.

Remediation

Check the references section for vendor advisories and patches from ptcl. Update hg150-ub_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2021-35296?

CVE-2021-35296 is a critical-severity vulnerability affecting ptcl hg150-ub_firmware. It was published on October 4, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2021-35296?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-35296?

Check the references section for vendor advisories and patches from ptcl. Update hg150-ub_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-35296?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-35296 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.