CVE-2020-8427

Name: CVE-2020-8427
Creator: NVD / NIST
Published: 2020-02-17T15:15:11.773+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.47%

Last modified Jun 17, 2026

CVE-2020-8427 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In Unitrends Backup before 10.4.1, an HTTP request parameter was not properly sanitized, allowing for SQL injection that resulted in an authentication bypass.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

Description

In Unitrends Backup before 10.4.1, an HTTP request parameter was not properly sanitized, allowing for SQL injection that resulted in an authentication bypass.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.47%

70.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Unitrends	Backup	< 10.4.1

References

https://support.unitrends.com/UnitrendsBackup/s/article/000006983Broken Link
https://support.unitrends.com/UnitrendsBackup/s/article/000006983Broken Link

Timeline

Published: Feb 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8427?

In Unitrends Backup before 10.4.1, an HTTP request parameter was not properly sanitized, allowing for SQL injection that resulted in an authentication bypass.

How severe is CVE-2020-8427?

CVE-2020-8427 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8427?

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-2020-8427?

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

Scan your code now

Source: NVD / NIST