CVE-2020-37095 | Cyberoam Authentication Client 2.1.2.7 contains a buffer ove… | CVSS 9.8 CRITICAL

Description

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.

Metadata

CVE ID: CVE-2020-37095
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-02-01 13:16 UTC
Published: 2026-02-06 23:14 UTC
Last updated: 2026-03-05 01:27 UTC
Primary CWE: CWE-121
Stack-based Buffer Overflow
Vendor / Product: Cyberoam / Cyberoam Authentication Client
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Cyberoam	Cyberoam Authentication Client	—	2.1.2.7

Weakness (CWE)

CWE	Source	Description
CWE-121	cna	Stack-based Buffer Overflow

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.4	HIGH	4.0	cna	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

References (3)

ExploitDB-48148 https://www.exploit-db.com/exploits/48148
Archived Cyberoam Authentication Client Software https://cyberoam-general-authentication-client.software.informer.com/2.1/
VulnCheck Advisory: Cyberoam Authentication Client 2.1.2.7 - Buffer Overflow (SEH) https://www.vulncheck.com/advisories/cyberoam-authentication-client-buffer-overflow-seh