CVE-2020-8503

6.5 mediumEPSS 0.7%

Medium (6.5) in biscom secure file transfer. EPSS 0.7% chance of exploitation in the next 30 days.

Biscom Secure File Transfer (SFT) 5.0.1050 through 5.1.1067 and 6.0.1000 through 6.0.1003 allows Insecure Direct Object Reference (IDOR) by an authenticated sender because of an error in a file-upload feature. This is fixed in 5.1.1068 and 6.0.1004.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2020-01-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

biscom:secure_file_transfer

References

https://cve.biscom.com/bis-sft-cv-0008
https://cve.biscom.com/bis-sft-cv-0008

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