Vulnerability · Published Sep 9, 2020 · Assigned by siemens

CVE-2020-15786

Critical 9.8

In plain English

A critical-severity security flaw in SIMATIC HMI Basic Panels 2nd Generation (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 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)1.5%top 26.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions <= V16), SIMATIC HMI Mobile Panels (All versions <= V16), SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently block excessive authentication attempts. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.

Affected products (as reported)

Vendor	Product	Versions
Siemens	SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants)	All versions < V16
Siemens	SIMATIC HMI Comfort Panels (incl. SIPLUS variants)	All versions <= V16
Siemens	SIMATIC HMI Mobile Panels	All versions <= V16
Siemens	SIMATIC HMI Unified Comfort Panels	All versions <= V16

Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf x_refsource_MISC