CVE Vulnerabilities

CVE-2021-40360

Insufficiently Protected Credentials

Published: Feb 09, 2022 | Modified: Jul 17, 2023
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The password hash of a local user account in the remote server could be granted via public API to a user on the affected system. An authenticated attacker could brute force the password hash and use it to login to the server.

Weakness

The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.

Affected Software

Name Vendor Start Version End Version
Simatic_pcs_7 Siemens * 8.2 (including)
Simatic_pcs_7 Siemens 9.0 (including) 9.0 (including)
Simatic_pcs_7 Siemens 9.1 (including) 9.1 (including)
Simatic_wincc Siemens * 7.4 (excluding)
Simatic_wincc Siemens 7.4 (including) 7.4 (including)
Simatic_wincc Siemens 7.4-sp1 (including) 7.4-sp1 (including)
Simatic_wincc Siemens 7.4-sp1_update1 (including) 7.4-sp1_update1 (including)
Simatic_wincc Siemens 7.4-sp1_update10 (including) 7.4-sp1_update10 (including)
Simatic_wincc Siemens 7.4-sp1_update11 (including) 7.4-sp1_update11 (including)
Simatic_wincc Siemens 7.4-sp1_update12 (including) 7.4-sp1_update12 (including)
Simatic_wincc Siemens 7.4-sp1_update13 (including) 7.4-sp1_update13 (including)
Simatic_wincc Siemens 7.4-sp1_update14 (including) 7.4-sp1_update14 (including)
Simatic_wincc Siemens 7.4-sp1_update15 (including) 7.4-sp1_update15 (including)
Simatic_wincc Siemens 7.4-sp1_update16 (including) 7.4-sp1_update16 (including)
Simatic_wincc Siemens 7.4-sp1_update17 (including) 7.4-sp1_update17 (including)
Simatic_wincc Siemens 7.4-sp1_update18 (including) 7.4-sp1_update18 (including)
Simatic_wincc Siemens 7.4-sp1_update2 (including) 7.4-sp1_update2 (including)
Simatic_wincc Siemens 7.4-sp1_update3 (including) 7.4-sp1_update3 (including)
Simatic_wincc Siemens 7.4-sp1_update4 (including) 7.4-sp1_update4 (including)
Simatic_wincc Siemens 7.4-sp1_update5 (including) 7.4-sp1_update5 (including)
Simatic_wincc Siemens 7.4-sp1_update6 (including) 7.4-sp1_update6 (including)
Simatic_wincc Siemens 7.4-sp1_update7 (including) 7.4-sp1_update7 (including)
Simatic_wincc Siemens 7.4-sp1_update8 (including) 7.4-sp1_update8 (including)
Simatic_wincc Siemens 7.4-sp1_update9 (including) 7.4-sp1_update9 (including)
Simatic_wincc Siemens 7.5 (including) 7.5 (including)
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)
Simatic_wincc Siemens 7.5-sp2 (including) 7.5-sp2 (including)
Simatic_wincc Siemens 7.5-sp2_update1 (including) 7.5-sp2_update1 (including)
Simatic_wincc Siemens 7.5-sp2_update2 (including) 7.5-sp2_update2 (including)
Simatic_wincc Siemens 7.5-sp2_update3 (including) 7.5-sp2_update3 (including)
Simatic_wincc Siemens 7.5-sp2_update4 (including) 7.5-sp2_update4 (including)
Simatic_wincc Siemens 7.5-sp2_update5 (including) 7.5-sp2_update5 (including)
Simatic_wincc Siemens 13 (including) 13 (including)
Simatic_wincc Siemens 13-sp1 (including) 13-sp1 (including)
Simatic_wincc Siemens 13-sp2 (including) 13-sp2 (including)
Simatic_wincc Siemens 14.0.1 (including) 14.0.1 (including)
Simatic_wincc Siemens 15 (including) 15 (including)
Simatic_wincc Siemens 15.1 (including) 15.1 (including)
Simatic_wincc Siemens 15.1-update_1 (including) 15.1-update_1 (including)
Simatic_wincc Siemens 15.1-update_2 (including) 15.1-update_2 (including)
Simatic_wincc Siemens 15.1-update_3 (including) 15.1-update_3 (including)
Simatic_wincc Siemens 15.1-update_4 (including) 15.1-update_4 (including)
Simatic_wincc Siemens 15.1-update_5 (including) 15.1-update_5 (including)
Simatic_wincc Siemens 15.1-update_6 (including) 15.1-update_6 (including)
Simatic_wincc Siemens 16 (including) 16 (including)
Simatic_wincc Siemens 16-update1 (including) 16-update1 (including)
Simatic_wincc Siemens 16-update2 (including) 16-update2 (including)
Simatic_wincc Siemens 16-update3 (including) 16-update3 (including)
Simatic_wincc Siemens 16-update4 (including) 16-update4 (including)
Simatic_wincc Siemens 17 (including) 17 (including)
Simatic_wincc Siemens 17-update1 (including) 17-update1 (including)

Potential Mitigations

References