First published: Tue Jun 11 2024(Updated: )
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.
Credit: productcert@siemens.com
Affected Software | Affected Version | How to fix |
---|---|---|
Siemens SIMATIC NET CP 1542SP-1 | <2.3 | |
Siemens SIMATIC CP 1542SP-1 IRC Firmware | <2.3 | |
Siemens SIMATIC NET CP 1543SP-1 | <2.3 | |
Siemens SIMATIC NET CP 1542SP-1 IRC | <2.3 | |
Siemens SIMATIC CP 1543SP-1 | <2.3 | |
Siemens SIPLUS ET 200SP | <2.3 | |
Siemens Simatic TIM 1531 IRC Firmware | <2.4.8 | |
Siemens TIM 1531 IRC Firmware | <2.4.8 |
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The severity of CVE-2023-50763 is considered high due to the potential for unauthorized access.
To fix CVE-2023-50763, upgrade the affected products to version 2.3 or later.
CVE-2023-50763 affects Siemens SIMATIC CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1, and SIPLUS ET 200SP series components running versions prior to 2.3.
The potential impacts of CVE-2023-50763 include unauthorized access and control over affected devices.
No official workaround is available for CVE-2023-50763; the recommended action is to apply the security update.