Auth bypass in M-System Dl8-A
CVE-2021-20676
M-System DL8 series (type A (DL8-A) versions prior to Ver3.0, type B (DL8-B) versions prior to Ver3.0, type C (DL8-C) versions prior to Ver3.0, type D (DL8-D) versions prior to Ver3.0, and type E (DL8-E) versions prior to Ver3.0) allows remote authenticated attackers to bypass access restriction and conduct prohibited operations via unspecified vectors.
Vulnerability class: Broken Access Control
EPSS: 0.008 (51.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-20676?
- CVE-2021-20676 is a medium-severity vulnerability in M-System Dl8-A, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2021-03-18.
- How severe is CVE-2021-20676?
- Medium severity. CVSS v3 base score is 4.3 out of 10.