Privilege Escalation Vulnerability in Proxmox VE and Related Products
CVE-2023-43320

8.8HIGH

Key Information:

Vendor

Proxmox

Status
Backup Server
Proxmox Mail Gateway
Virtual Environment
Vendor
CVE Published:
27 September 2023

What is CVE-2023-43320?

A vulnerability in Proxmox Server Solutions GmbH's Proxmox VE, Backup Server, and Mail Gateway allows remote authenticated attackers to escalate privileges. This is achieved through bypassing the essential two-factor authentication mechanism, which poses a significant risk to the security of the affected systems. It is imperative for users of these products to implement necessary security measures and updates to mitigate potential exploitation.

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References

https://bugzilla.proxmox.com/show_bug.cgi?id=4579
https://bugzilla.proxmox.com/show_bug.cgi?id=4584
https://github.com/proxmox/proxmox-rs/commit/50b793db8d34...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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