CVE-2020-15787Authentication Bypass by Primary Weakness in Siemens Simatic HMI Unified Comfort Panels

Severity
9.8CRITICALNVD
EPSS
0.4%
top 37.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 9
Latest updateMay 24

Description

A vulnerability has been identified in SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently validate authentication attempts as the information given can be truncated to match only a set number of characters versus the whole provided string. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

CVEListV5siemens/simatic_hmi_unified_comfort_panelsAll versions <= V16

🔴Vulnerability Details

2
GHSA
GHSA-625f-424x-6j4w: A vulnerability has been identified in SIMATIC HMI United Comfort Panels (All versions)2022-05-24
CVEList
CVE-2020-15787: A vulnerability has been identified in SIMATIC HMI Unified Comfort Panels (All versions <= V16)2020-09-09
CVE-2020-15787 — Siemens vulnerability | cvebase