Vulnerability · Published Dec 14, 2020 · Assigned by siemens

CVE-2020-25229

High 7.5

In plain English

A high-severity security flaw in LOGO! 8 BM (incl. SIPLUS variants) from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.6%top 48.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). The implemented encryption for communication with affected devices is prone to replay attacks due to the usage of a static key. An attacker could change the password or change the configuration on any affected device if using prepared messages that were generated for another device.

Affected products (as reported)

VendorProductVersions
Siemens LOGO! 8 BM (incl. SIPLUS variants) All versions < V8.3

Weakness: CWE-321

References