The management tool in MyLittleBackup up to and including 1.7 allows remote attackers to…
Priority MEDIUM 46CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.
Summary
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.
Why it matters now
EPSS 0.02259 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mylittletools:mylittlebackup:*:*:*:*:*:*:*:* | up to 1.7 | Vulnerable | Mylittletools |
- cpe:2.3:a:mylittletools:mylittlebackup:*:*:*:*:*:*:*:* Versions up to 1.7 Vulnerable ·Mylittletools
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-39392
- 2026-10-03 Alias added: GHSA-r69j-r7vf-pfx7
References
Sources
- CVE-2021-39392 · CVE Program
- CVE-2021-39392 · NVD
- FIRST EPSS
- GHSA-r69j-r7vf-pfx7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences