CVE-2021-44204 Local privilege escalation via named pipe due to improper access control checks
Local attackers can escalate privileges via named pipes due to improper access control checks in Acronis backup software.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-44204?
CVE-2021-44204 is a high-severity vulnerability in Acronis Cyber Protect, published on 4 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Local privilege escalation via named pipe due to improper access control checks. The following products are affected: Acronis Cyber Protect 15 (Windows) before build 28035, Acronis Agent (Windows) before build 27147, Acronis Cyber Protect Home Office (Windows) before build 39612, Acronis True Image 2021 (Windows) before build 39287
Weakness: CWE-285
Which versions are affected by CVE-2021-44204?
It affects 4 products.
Products include Acronis Agent, Acronis Cyber Protect, Acronis Cyber Protect Home Office, Acronis True Image.
How do I fix CVE-2021-44204?
No fix has been published for CVE-2021-44204 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-44204 being exploited?
There is no known exploitation of CVE-2021-44204 in the wild and no public exploit code.
Other vulnerabilities in Acronis Cyber Protect
- CVE-2022-45451 Privilege escalation in Acronis Agent
- CVE-2023-41743 Privilege escalation in Acronis Cyber Protect 15
- CVE-2026-28727 Privilege escalation in Acronis Cyber Protect 17
- CVE-2023-41744 Privilege escalation in Acronis Agent
- CVE-2022-24113 Local privilege escalation due to excessive permissions assigned to child processes
Sources
Also known as GHSA-v5vh-gq27-ch94.