Auth bypass in Acronis Agent
CVE-2021-44204
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
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (9.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Acronis Agent — versions unspecified
- Acronis Cyber Protect 15 — versions unspecified
- Acronis Cyber Protect Home Office — versions unspecified
- Acronis True Image 2021 — versions unspecified
- Acronis Agent
- Acronis Cyber Protect — versions 15
- Acronis Cyber Protect Home Office
- Acronis True Image — versions 2021
- Microsoft Windows
Weakness classification (CWE)
References
- security-advisory.acronis.com/advisories/SEC-2355 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-44204?
- CVE-2021-44204 is a high-severity vulnerability in Acronis Agent, classified under Improper Authorization. CVSS score: 7.8/10. Published 2022-02-04.
- How severe is CVE-2021-44204?
- High severity. CVSS v3 base score is 7.8 out of 10.