CVE-2020-35664 Cross-site scripting in n/a

What is CVE-2020-35664?

CVE-2020-35664 is a medium-severity cross-site scripting vulnerability in Acronis Cyber Protect, published on 22 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An issue was discovered in Acronis Cyber Protect before 15 Update 1 build 26172. There is cross-site scripting (XSS) in the console.

Weakness: CWE-79

Which versions are affected by CVE-2020-35664?

It affects 1 product.

Products include Acronis Cyber Protect.

How do I fix CVE-2020-35664?

No fix has been published for CVE-2020-35664 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-35664 being exploited?

There is no known exploitation of CVE-2020-35664 in the wild and no public exploit code.

Other vulnerabilities in Acronis Cyber Protect

• CVE-2025-30411 Auth bypass in Acronis Cyber Protect 15 Critical 10.0
• CVE-2025-30412 Auth bypass in Acronis Cyber Protect 15 Critical 10.0
• CVE-2025-30416 Missing authorization in Acronis Cyber Protect 15 Critical 10.0
• CVE-2026-28710 Auth bypass in Acronis Cyber Protect 17 High 8.1
• CVE-2021-44198 DLL hijacking could lead to local privilege escalation High 7.8

All Acronis Cyber Protect vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3m7j-m5w9-6wr7.