# DSA-5493-1: open-vm-tools security update

DSA-5493-1, released September 10, 2023, fixes 1 CVE in open-vm-tools. One of them is being exploited (CVE-2023-20867); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/dsa-5493-1
- Platform: Linux
- Released: Sep 10, 2023
- Priority: Patch now (Closes CVE-2023-20867, exploited (CISA KEV))
- CVEs: 1, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-20867

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [open-vm-tools](https://patchblox.com/security/data/product/linux/open-vm-tools.md) | Debian 11.6 (bullseye) | 2:11.2.5-2+deb11u2 |
| [open-vm-tools](https://patchblox.com/security/data/product/linux/open-vm-tools.md) | Debian 12.15 (bookworm) | 2:12.2.0-1+deb12u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-20867](https://patchblox.com/security/data/cve/CVE-2023-20867.md) | Patch now | open-vm-tools: A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the... | 3.9 | 0.1364 | CISA KEV |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo