CVE-2021-44201

Name: CVE-2021-44201
Creator: NVD / NIST
Published: 2021-11-29T19:15:08.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2021-44201 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cross-site scripting (XSS) was possible in notification pop-ups. The following products are affected: Acronis Cyber Protect 15 (Windows, Linux) before build 28035. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

Cross-site scripting (XSS) was possible in notification pop-ups. The following products are affected: Acronis Cyber Protect 15 (Windows, Linux) before build 28035

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.56%

42.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Acronis	Cyber Protect	< 15
Acronis	Cyber Protect	15

References

https://security-advisory.acronis.com/advisories/SEC-3167Patch, Vendor Advisory
https://security-advisory.acronis.com/advisories/SEC-3167Patch, Vendor Advisory

Timeline

Published: Nov 29, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44201?

Cross-site scripting (XSS) was possible in notification pop-ups. The following products are affected: Acronis Cyber Protect 15 (Windows, Linux) before build 28035

How severe is CVE-2021-44201?

CVE-2021-44201 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44201?

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-2021-44201?

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

Scan your code now

Source: NVD / NIST