What is CVE-2020-8503?

CVE-2020-8503 is a medium-severity vulnerability in Biscom Secure File Transfer, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2020-01-31.

How severe is CVE-2020-8503?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Biscom Secure File Transfer

CVE-2020-8503

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.007 (50.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Biscom Secure_file_transfer
N/a — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-8503?: CVE-2020-8503 is a medium-severity vulnerability in Biscom Secure File Transfer, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2020-01-31.
How severe is CVE-2020-8503?: Medium severity. CVSS v3 base score is 6.5 out of 10.