Critical severity9.8NVD Advisory· Published Sep 15, 2021· Updated Jun 17, 2026
CVE-2021-39392
CVE-2021-39392
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- MyLittleBackup/MyLittleBackupdescription
- Range: <=1.7
Patches
Vulnerability mechanics
References
2- gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281nvdThird Party Advisory
- www.mylittlebackup.com/mlb/zip/mlb_1.7.zipnvdBroken Link
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