CVE-2023-5909 : KEPServerEX does not properly validate certificates from clients which may allow

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

Published 2023-11-30 22:15:10

Updated 2023-12-06 19:54:24

Source ICS-CERT

View at NVD, CVE.org

Products affected by CVE-2023-5909

PTC » Opc-aggregator
Versions up to, including, (<=) 6.14
cpe:2.3:a:ptc:opc-aggregator:*:*:*:*:*:*:*:*
Matching versions
PTC » Thingworx Industrial Connectivity » Version: N/A
cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:*:*:*:*:*:*:*
Matching versions
PTC » Thingworx Kepware Server
Versions up to, including, (<=) 6.14.263.0
cpe:2.3:a:ptc:thingworx_kepware_server:*:*:*:*:*:*:*:*
Matching versions
PTC » Thingworx Kepware Edge
Versions up to, including, (<=) 1.7
cpe:2.3:a:ptc:thingworx_kepware_edge:*:*:*:*:*:*:*:*
Matching versions
PTC » Keepserverex
Versions up to, including, (<=) 6.14.263.0
cpe:2.3:a:ptc:keepserverex:*:*:*:*:*:*:*:*
Matching versions
Rockwellautomation » Kepserver Enterprise
Versions up to, including, (<=) 6.14.263.0
cpe:2.3:a:rockwellautomation:kepserver_enterprise:*:*:*:*:*:*:*:*
Matching versions
GE » Industrial Gateway Server
Versions up to, including, (<=) 7.614
cpe:2.3:a:ge:industrial_gateway_server:*:*:*:*:*:*:*:*
Matching versions
Softwaretoolbox » Top Server
Versions up to, including, (<=) 6.14.263.0
cpe:2.3:a:softwaretoolbox:top_server:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.07%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 32 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	ICS-CERT
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE-295 Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

Assigned by: nvd@nist.gov (Primary)
CWE-297 Improper Validation of Certificate with Host Mismatch

The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.

Assigned by: ics-cert@hq.dhs.gov (Secondary)

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