CVE-2023-43320

Description

An issue in Proxmox Server Solutions GmbH Proxmox VE v.5.4 thru v.8.0, Proxmox Backup Server v.1.1 thru v.3.0, and Proxmox Mail Gateway v.7.1 thru v.8.0 allows a remote authenticated attacker to escalate privileges via bypassing the two-factor authentication component.

8.8

CVSS

Severity: High

CVSS 3.1 •

EPSS 1.65% Top 20%

Vendor Advisory proxmox.com Vendor Advisory proxmox.com

Affected: n/a n/a

References

Link	Tags
https://bugzilla.proxmox.com/show_bug.cgi?id=4579	issue tracking vendor advisory
https://bugzilla.proxmox.com/show_bug.cgi?id=4584	issue tracking vendor advisory
https://github.com/proxmox/proxmox-rs/commit/50b793db8d3421bbfe2bce060a486263f18a90cb	patch
http://packetstormsecurity.com/files/176967/Proxmox-VE-7.4-1-TOTP-Brute-Force.html

Frequently Asked Questions

What is the severity of CVE-2023-43320?: CVE-2023-43320 has been scored as a high severity vulnerability.
How to fix CVE-2023-43320?: To fix CVE-2023-43320, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-43320 being actively exploited in the wild?: It is possible that CVE-2023-43320 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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