Critical Risk Disclosed
CVE-2021-35296
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.
Exploitation Probability (EPSS)
Low Priority0.40%
The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.
0% (Theoretical)100% (Certainty)
7-Day Exploitation Trend
Vulnerability Timeline
2 eventsOct 4, 2021
Vulnerability Disclosed
Published to component-level vulnerability database.
Oct 8, 2021
Last Updated
Record updated with new analysis or tags.
Threat Actor Attribution
PREMIUM INTELAssociated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes
Remediation & Mitigation
SOLUTIONOfficial patches and mitigation steps are available for this vulnerability.
# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
Affected Products
2 Total
ptcl/hg150-ub_firmware3.0
ptcl/hg150-ub-
Am I Vulnerable?
Check your domain or package.json for CVE-2021-35296 exposure.
Vulnerability Details
CVSS Base Score
9.8/ 10
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published Date
Oct 4, 2021
Last Modified
Oct 8, 2021
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