CVE-2020-9450

Name: CVE-2020-9450
Creator: NVD / NIST
Published: 2021-05-25T12:15:07.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2020-9450 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in Acronis True Image 2020 24.5.22510. anti_ransomware_service.exe exposes a REST API that can be used by everyone, even unprivileged users. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

An issue was discovered in Acronis True Image 2020 24.5.22510. anti_ransomware_service.exe exposes a REST API that can be used by everyone, even unprivileged users. This API is used to communicate from the GUI to anti_ransomware_service.exe. This can be exploited to add an arbitrary malicious executable to the whitelist, or even exclude an entire drive from being monitored by anti_ransomware_service.exe.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.40%

31.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Acronis	True Image 2020	24.5.22510

References

https://danishcyberdefence.dk/blogThird Party Advisory
https://madsjoensen.dk/cve-2020-9450/Exploit, Third Party Advisory
https://www.acronis.comVendor Advisory
https://danishcyberdefence.dk/blogThird Party Advisory
https://madsjoensen.dk/cve-2020-9450/Exploit, Third Party Advisory
https://www.acronis.comVendor Advisory

Timeline

Published: May 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9450?

How severe is CVE-2020-9450?

CVE-2020-9450 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9450?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9450?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST