CVE Vulnerabilities

CVE-2020-10048

Authentication Bypass Using an Alternate Path or Channel

Published: Feb 09, 2021 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions < V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication.

Weakness

The product requires authentication, but the product has an alternate path or channel that does not require authentication.

Affected Software

Name Vendor Start Version End Version
Simatic_pcs_7 Siemens * *
Simatic_wincc Siemens * 7.5 (excluding)
Simatic_wincc Siemens 7.5-sp1 (including) 7.5-sp1 (including)
Simatic_wincc Siemens 7.5-sp1_update1 (including) 7.5-sp1_update1 (including)
Simatic_wincc Siemens 7.5-sp1_update2 (including) 7.5-sp1_update2 (including)

Potential Mitigations

References