High severity8.8NVD Advisory· Published Sep 27, 2023· Updated Jun 17, 2026
CVE-2023-43320
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- Proxmox Server Solutions GmbH/Proxmox VEdescription
- Range: 5.4 - 8.0
- Range: 1.1 - 3.0
- Range: 7.1 - 8.0
Patches
Vulnerability mechanics
References
4- github.com/proxmox/proxmox-rs/commit/50b793db8d3421bbfe2bce060a486263f18a90cbnvdPatch
- bugzilla.proxmox.com/show_bug.cginvdIssue TrackingVendor Advisory
- bugzilla.proxmox.com/show_bug.cginvdIssue TrackingVendor Advisory
- packetstormsecurity.com/files/176967/Proxmox-VE-7.4-1-TOTP-Brute-Force.htmlnvd
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