Security readout for executives and security teams
MyLittleBackup management tool versions up to 1.7 reportedly used the same hardcoded ASP.NET machineKey across customer installations. If exposed, an attacker could use that shared secret to execute arbitrary code on the server. Treat exposed installations as high risk even though no CVSS score is provided. Exposure is likely limited to organizations running the MyLittleBackup management tool up to version 1.7, especially where the management interface is reachable from the internet or untrusted networks. Prioritize exposed installations for immediate review. The business risk is server compromise through a management tool, but urgency depends on whether the software is deployed and reachable. Mitigation focus: Identify any MyLittleBackup management tool deployments and versions.; Remove public access to the management interface immediately.; Check vendor guidance for fixed versions or supported remediation..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-39392 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.