cve.bz

CVE-2021-27964

9.8 criticalEPSS 48%

Critical (9.8) in sfcyazilim sonlogger. EPSS 48% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
48% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE
CWE-434
Published
Modified
Record from
the NVD, synced

Affected

References

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