CVE-2023-5909: high-severity vulnerability in PTC KEPServerEX
Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.4%
KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
GE Gigital · Industrial Gateway ServerPTC · KEPServerEXPTC · OPC-AggregatorPTC · ThingWorx Industrial ConnectivityPTC · ThingWorx Kepware EdgePTC · ThingWorx Kepware ServerRockwell Automation · KEPServer EnterpriseSoftware Toolbox · TOP ServerRelated CVEs — PTC KEPServerEX
In the same product, most dangerous first.