Local Buffer Overflow in Flexsense DiskBoss Product
CVE-2020-36881

8.6HIGH

Key Information:

Vendor

Flexsense

Status
Vendor
CVE Published:
5 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36881?

Flexsense DiskBoss version 7.7.14 is affected by a local buffer overflow vulnerability in the 'Input Directory' component. This flaw allows unauthenticated attackers to execute arbitrary code by submitting a maliciously crafted directory path into the 'Add Input Directory' field. If exploited, this vulnerability can give attackers unauthorized control over the system, potentially leading to severe security breaches.

Affected Version(s)

DiskBoss 7.7.14

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.

References

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Paras Bhatia
.
CVE-2020-36881 : Local Buffer Overflow in Flexsense DiskBoss Product