VULNERABILITY INTELLIGENCE

CVE-2021-39392

CVSS score9.8 CRITICAL
EPSS probability2.26%
CISA KEVNot currently listed
Published2021-09-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The management tool in MyLittleBackup up to and including 1.7 allows remote attackers to execute arbitrary code because machineKey is hardcoded (the same for all customers' installations) in web.config, and can be used to send serialized ASP code.

Weakness classification

  • nvd@nist.gov: CWE-502

Primary references