VulnerabilityModified

CVE-2020-15786

A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl.

CRITICAL 9.8EPSS 1.49%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.49% probability · 73th percentile
CISA KEV: Not listed
Weakness: CWE-307
Affected: siemens/simatic hmi basic panels 2nd generation firmware · siemens/simatic hmi comfort panels firmware · siemens/simatic hmi mobile panels firmware · siemens/simatic hmi united comfort panels firmware
Source: productcert@siemens.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.