What is the CVSS score of CVE-2020-37095?

CVE-2020-37095 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of DNS are affected by CVE-2020-37095?

Cyberoam Authentication Client 2.1.2.7 contains a critical remote code execution vulnerability (CVSS 9.8) that allows unauthenticated attackers to gain complete system control.

Is there a public PoC exploit available for CVE-2020-37095?

Yes, a public proof-of-concept exploit is available for CVE-2020-37095. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2020-37095?

Within 24 hours: Inventory all systems running Cyberoam Authentication Client 2.1.2.7 and isolate affected devices from production networks if possible. Within 7 days: Contact Cyberoam/Fortinet for patch timeline and evaluate alternative authentication solutions as interim replacement. Within 30 days: Deploy patched version immediately upon release, or migrate to alternative authentication platform if patch remains unavailable.

DNS CVE-2020-37095

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2026-02-07 disclosure@vulncheck.com

Buffer Overflow DNS

9.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 09, 2026 - 16:08 vuln.today

Public exploit code

CVE Published

Feb 07, 2026 - 00:15 nvd

CRITICAL 9.8

DescriptionNVD

Cyberoam Authentication Client 2.1.2.7 contains a buffer overflow vulnerability that allows remote attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) memory. Attackers can craft a malicious input in the 'Cyberoam Server Address' field to trigger a bind TCP shell on port 1337 with system-level access.

AnalysisAI

Cyberoam Authentication Client 2.1.2.7 has a buffer overflow allowing remote attackers to execute code through the network authentication service.

Technical ContextAI

Cyberoam Authentication Client 2.1.2.7 has a CWE-121 stack buffer overflow in its network communication handler.

Affected ProductsAI

Cyberoam Authentication Client 2.1.2.7

RemediationAI

Update the client software.

CVE-2020-37095 vulnerability details – vuln.today

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DNS CVE-2020-37095

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code