PT-2021-14135 · M System · M-System Dl8 Series

Katsunari Yoshioka + 2 · Published 2021-03-18 · Updated 2021-03-23 · CVE-2021-20676

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: M-System DL8 series (type A (DL8-A)) versions prior to Ver3.0 M-System DL8 series (type B (DL8-B)) versions prior to Ver3.0 M-System DL8 series (type C (DL8-C)) versions prior to Ver3.0 M-System DL8 series (type D (DL8-D)) versions prior to Ver3.0 M-System DL8 series (type E (DL8-E)) versions prior to Ver3.0

Description: The issue allows remote authenticated attackers to bypass access restriction and conduct prohibited operations via unspecified vectors.

Recommendations: For M-System DL8 series type A (DL8-A) versions prior to Ver3.0, update to Ver3.0 or later. For M-System DL8 series type B (DL8-B) versions prior to Ver3.0, update to Ver3.0 or later. For M-System DL8 series type C (DL8-C) versions prior to Ver3.0, update to Ver3.0 or later. For M-System DL8 series type D (DL8-D) versions prior to Ver3.0, update to Ver3.0 or later. For M-System DL8 series type E (DL8-E) versions prior to Ver3.0, update to Ver3.0 or later.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2021-20676

Affected Products

M-System Dl8 Series

References · 5

• https://m-system.co.jp/download_w/dl_dl8updaterE.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20676 · Security Note
• https://osv.dev/vulnerability/CVE-2021-20676 · Vendor Advisory
• https://t.me/cibsecurity/25074 · Telegram Post
• https://jvn.jp/en/jp/JVN47497535/index.html · Note