CVE Tools
Sign in

CVE-2021-40364

Published: Nov 9, 2021Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-532
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.2%
Top 86.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), 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 5). The affected systems store sensitive information in log files. An attacker with access to the log files could publicly expose the information or reuse it to develop further attacks on the system.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-532

Affected Products

SIMATIC PCS 7 V8.2Siemens
On-prem
Enterprise Software / collaboration-groupware
SIMATIC PCS 7 V9.0Siemens
On-prem
Enterprise Software / collaboration-groupware
SIMATIC PCS 7 V9.1Siemens
On-prem
Enterprise Software / collaboration-groupware
SIMATIC WinCC V15 and earlierSiemens
On-prem
Enterprise Software / collaboration-groupware
SIMATIC WinCC V16Siemens
On-prem
Enterprise Software / collaboration-groupware
siemenscommercialDEEnterprise Softwareaka siemens ag
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Credential Access
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/pdf/ssa-840188.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/csaf/ssa-840188.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-840188.html
cert-portal.siemens.com
and 9 more references View all →

Timeline

Published
Nov 9, 2021
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-40364 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows