Local File Inclusion Vulnerability in BIQS IT Biqs-drive Software by BIQS IT
CVE-2021-39433

7.5HIGH

Key Information:

Vendor

Biqs

Status
Biqsdrive
Vendor
CVE Published:
4 October 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 77%

What is CVE-2021-39433?

A local file inclusion vulnerability exists in the BIQS IT Biqs-drive software in versions v1.83 and below. This vulnerability arises when a specific payload is sent as the file parameter to the download/index.php endpoint. An attacker can exploit this flaw to read arbitrary files from the server, leveraging the permissions of the web server user. This can lead to potential unauthorized access to sensitive information and poses a security risk if not addressed.

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-2021-39433
Created by PinkDraconian

References

https://biqs-drive.be/
x_refsource_MISC
https://github.com/PinkDraconian/CVE-2021-39433/blob/main...
x_refsource_MISC

EPSS Score

77% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.