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
- cve@mitre.org — Broken Link
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory