PT-2020-16027 · Siemens · Logo! 8 Bm

Published 2020-12-14 · Updated 2020-12-16 · CVE-2020-25230

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions LOGO! 8 BM (incl. SIPLUS variants) versions prior to V8.3

Description A vulnerability has been identified due to the usage of an outdated cipher mode on port 10005/tcp. This allows an attacker to extract the encryption key from a captured communication with the device.

Recommendations For versions prior to V8.3, update to version V8.3 or later to resolve the issue. As a temporary workaround, consider restricting access to port 10005/tcp to minimize the risk of exploitation.

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

CVE-2020-25230

Affected Products

Logo! 8 Bm

References · 4

• https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-25230 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-25230 · Security Note
• https://t.me/cibsecurity/20795 · Telegram Post