Buffer Overflow Vulnerability in Cyberoam Authentication Client
CVE-2020-37095

8.4HIGH

Key Information:

Vendor

Cyberoam

Status
Cyberoam Authentication Client
Vendor
CVE Published:
6 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37095?

The Cyberoam Authentication Client version 2.1.2.7 is susceptible to a buffer overflow vulnerability, enabling remote attackers to exploit the 'Cyberoam Server Address' input field. By crafting malicious input, attackers can overwrite memory associated with the Structured Exception Handler (SEH), potentially leading to unauthorized code execution. This vulnerability could allow the attacker to gain system-level access and establish a bind TCP shell on port 1337. It highlights the importance of securing client applications against injection attacks.

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Affected Version(s)

Cyberoam Authentication Client 2.1.2.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37095 - Proof of Concept

References

https://www.exploit-db.com/exploits/48148
exploit
https://cyberoam-general-authentication-client.software.i...
product
https://www.vulncheck.com/advisories/cyberoam-authenticat...
third-party-advisory

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Andrey Stoykov
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