UpHeron
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Servers and applications

CVE-2023-43320

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.

Severity
High 8.8
Published
27 Sept 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Proxmox VEServers and applications · cpe:a:proxmox:virtual_environment
  • From 5.4 up to 8.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-43320
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-43320