Reflected XSS vulnerability in OSNEXUS QuantaStor before 6.0.0.355
CVE-2021-42080

7.4HIGH

Key Information:

Vendor

Osnexus

Status
Quantastor
Vendor
CVE Published:
10 July 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-42080?

An attacker can exploit a reflected XSS vulnerability in Osnexus Software Defined Storage by crafting a malicious URL. When unsuspecting users click on this URL, their session information may be exposed, allowing attackers to manipulate or steal sensitive data. This type of attack compromises user sessions and can lead to unauthorized actions taken on behalf of the user.

Affected Version(s)

QuantaStor 0 < 6.0.0.355

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-2021-42080 - Proof of Concept

References

https://www.wbsec.nl/osnexus
third-party-advisorytechnical-description
https://csirt.divd.nl/DIVD-2021-00020/
third-party-advisory
https://www.osnexus.com/products/software-defined-storage
product

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wietse Boonstra
.