SonLogger before 6.4.1 is affected by Unauthenticated Arbitrary File Upload.
Priority HIGH 72CWE-434Published · 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-434.
Summary
SonLogger before 6.4.1 is affected by Unauthenticated Arbitrary File Upload. An attacker can send a POST request to /Config/SaveUploadedHotspotLogoFile without any authentication or session header. There is no check for the file extension or content of the uploaded file.
Why it matters now
EPSS 0.47519 98th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
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:sfcyazilim:sonlogger:*:*:*:*:*:*:*:* | before 6.4.1 | Vulnerable | Sfcyazilim |
- cpe:2.3:a:sfcyazilim:sonlogger:*:*:*:*:*:*:*:* Versions before 6.4.1 Vulnerable ·Sfcyazilim
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27964
- 2026-10-03 Alias added: GHSA-mxm8-cmpq-g5cx
References
More Sfcyazilim Sonlogger vulnerabilities
- TI-2021-09285 SonLogger before 6.4.1 is affected by user creation with any user permissions profile… CVSS 3.1HIGH 8.2
Sources
- CVE-2021-27964 · CVE Program
- CVE-2021-27964 · NVD
- FIRST EPSS
- GHSA-mxm8-cmpq-g5cx · 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