CVE-2021-40360

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 09-02-2022 05:15

Last modified: - 20-05-2022 03:15

Total changes: - 4

Description

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Low

Attack complexity

Network

Attack vector

High

Availability

High

Confidentiality

High

Integrity

Low

Privileges required

Unchanged

Scope

None

User interaction

8.8

Base score

2.8

5.9

Exploitability score

Impact score

Verification logic

vendor=siemens AND product=simatic_wincc AND versionEndIncluding=7.4

vendor=siemens AND product=simatic_pcs_7 AND versionEndIncluding=8.2

vendor=siemens AND product=simatic_wincc AND version=14.0.1

vendor=siemens AND product=simatic_wincc AND version=13 AND update=sp1

vendor=siemens AND product=simatic_wincc AND version=13 AND update=-

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=sp1

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=sp1_update1

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=sp1_update2

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=-

vendor=siemens AND product=simatic_pcs_7 AND version=9.0 AND update=-

vendor=siemens AND product=simatic_wincc AND version=16 AND update=-

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=sp2

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=sp2_update1

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=sp2_update2

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=sp2_update3

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=sp2_update4

vendor=siemens AND product=simatic_wincc AND version=15

vendor=siemens AND product=simatic_wincc AND version=17 AND update=update1

vendor=siemens AND product=simatic_wincc AND version=17 AND update=-

vendor=siemens AND product=simatic_wincc AND version=16 AND update=update1

vendor=siemens AND product=simatic_wincc AND version=16 AND update=update2

vendor=siemens AND product=simatic_wincc AND version=16 AND update=update3

vendor=siemens AND product=simatic_wincc AND version=16 AND update=update4

vendor=siemens AND product=simatic_wincc AND version=13 AND update=sp2

vendor=siemens AND product=simatic_wincc AND version=7.5 AND update=sp2_update5

vendor=siemens AND product=simatic_pcs_7 AND version=9.1 AND update=-

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-914168.pdf

Keywords

CVE-2021-40360

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-40360

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures