CVE-2020-37095CWE-121

Cyberoam Authentication Client 2.1.2.7 - Buffer Overflow (SEH)

High · published February 6, 2026

CVSS v4.0
8.4
EPSS
1%
Percentile
54.6
In the wild
Unconfirmed
What it is

🚨 Just one crafty input in the 'Cyberoam Server Address' field can trigger an alarming buffer overflow! 💥 Think of it like a restaurant that lets patrons write their own orders without checking — if someone slips in a request for an entire kitchen overhaul, chaos ensues in the kitchen! This vulnerability grants attackers the ability to execute arbitrary code with system-level access, effectively turning their input into a key that unlocks the entire system. They could create a bind TCP shell on port 1337, leading to devastating consequences like data theft, service disruption, or worse. 🚨

Put simply

Think of it like a restaurant that lets patrons write their own orders without checking — if someone slips in a request for an entire kitchen overhaul, chaos ensues in the kitchen! CVE-2020-37095 is a buffer overflow vulnerability in Cyberoam Authentication Client 2.1.2.7, allowing attackers to manipulate the Structured Exception Handler (SEH) memory by providing malicious input, which can lead to remote code execution.

What to do

This vulnerability grants attackers the ability to execute arbitrary code with system-level access, effectively turning their input into a key that unlocks the entire system. They could create a bind TCP shell on port 1337, leading to devastating consequences like data theft, service disruption, or worse. 🚨 To secure your systems, update the Cyberoam Authentication Client to the latest version immediately. Regularly audit your configurations to ensure that no unauthorized inputs can be accepted and monitor for any unusual activity. 🔒 You can tackle this! Follow these steps, and you'll be well on your way to securing your system. 🦸

The record
Technical detail
CVSS v4.0
8.4 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00754 · 54.6th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-02-06T23:14Z
EPSS history
Timeline
  • 06 FEB 23:14Z
    Cyberoam Authentication Client 2.1.2.7 - Buffer Overflow (SEH)
    cvelistv5