CVE-2023-50763

Description

A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.3), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.4.8). The web server of affected products, if configured to allow the import of PKCS12 containers, could end up in an infinite loop when processing incomplete certificate chains. This could allow an authenticated remote attacker to create a denial of service condition by importing specially crafted PKCS12 containers.

Category

6.9
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.07%
Affected: Siemens SIMATIC CP 1542SP-1
Affected: Siemens SIMATIC CP 1542SP-1 IRC
Affected: Siemens SIMATIC CP 1543SP-1
Affected: Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL
Affected: Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC
Affected: Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL
Affected: Siemens SIPLUS TIM 1531 IRC
Affected: Siemens TIM 1531 IRC
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/html/ssa-139628.html
https://cert-portal.siemens.com/productcert/html/ssa-625862.html
https://cert-portal.siemens.com/productcert/html/ssa-337522.html

Frequently Asked Questions

What is the severity of CVE-2023-50763?
CVE-2023-50763 has been scored as a medium severity vulnerability.
How to fix CVE-2023-50763?
To fix CVE-2023-50763, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-50763 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-50763 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-50763?
CVE-2023-50763 affects Siemens SIMATIC CP 1542SP-1, Siemens SIMATIC CP 1542SP-1 IRC, Siemens SIMATIC CP 1543SP-1, Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL, Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC, Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL, Siemens SIPLUS TIM 1531 IRC, Siemens TIM 1531 IRC.
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