CVE-2020-15787 — Authentication 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
Affected products
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