Cyberoam Authentication Client 2.1.2.7 Cyberoam Server Address stack-based overflow

Summaryinfo

A vulnerability was found in Cyberoam Authentication Client 2.1.2.7 and classified as critical. The impacted element is an unknown function. Executing a manipulation of the argument Cyberoam Server Address can lead to stack-based overflow. The identification of this vulnerability is CVE-2020-37095. The attack can only be executed locally. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Cyberoam Authentication Client 2.1.2.7. It has been declared as critical. This vulnerability affects an unknown code. The manipulation of the argument Cyberoam Server Address with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was shared by Andrey Stoykov as 48148. The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2020-37095 since 02/01/2026. The exploitation appears to be easy. The attack needs to be approached locally. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48148). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Cyberoam

Name

• Authentication Client

Version

• 2.1.2.7

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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