High severity7.5NVD Advisory· Published Aug 10, 2022· Updated Jun 17, 2026
CVE-2021-46304
CVE-2021-46304
Description
A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions), CP-8021 MASTER MODULE (All versions), CP-8022 MASTER MODULE WITH GPRS (All versions). The component allows to activate a web server module which provides unauthenticated access to its web pages. This could allow an attacker to retrieve debug-level information from the component such as internal network topology or connected systems.
Affected products
10- cpe:2.3:o:siemens:cp-8000_master_module_with_i\/o_-25\/\+70_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:cp-8000_master_module_with_i\/o_-40\/\+70_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:cp-8021_master_module_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:cp-8022_master_module_with_gprs_firmware:*:*:*:*:*:*:*:*
All versions+ 1 more
- (no CPE)range: All versions
- (no CPE)range: All versions
All versions+ 2 more
- (no CPE)range: All versions
- (no CPE)range: All versions
- (no CPE)range: All versions
- Range: All versions
Patches
Vulnerability mechanics
References
1- cert-portal.siemens.com/productcert/pdf/ssa-185638.pdfnvdVendor Advisory
News mentions
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