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CVE-2023-5909

Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx

Published: Nov 30, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-297
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.4%
Top 64.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.

CVSS Vector Breakdown

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

Weaknesses

CWE-297CWE-295

Affected Products

industrial gateway servergeICS / OT / IoT
keepserverexptc
Mixed
ICS / OT / IoT / industrial-network
opc-aggregatorptc
Mixed
ICS / OT / IoT / industrial-network
thingworx industrial connectivityptc
Mixed
ICS / OT / IoT / industrial-network
thingworx kepware edgeptc
Mixed
ICS / OT / IoT / industrial-network
gecommercialUSICS / OT / IoTaka ge intelligent platforms
ptccommercialUSICS / OT / IoTaka kepware kepserverex, thingworx industrial connectivity, thingworx kepware server
and 16 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
Collection
View detailed technique mapping

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03
cisa.gov
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2023/icsa-23-334-03.json
raw.githubusercontent.com
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
cisa.gov
and 9 more references View all →

Timeline

Published
Nov 30, 2023
Last Updated
Nov 21, 2024

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