CVE-2021-33716

MEDIUM

SIMATIC CP 1543-1, SIPLUS - Info Disclosure

Title source: llm
STIX 2.1

Description

A vulnerability has been identified in SIMATIC CP 1543-1 (incl. SIPLUS variants) (All versions < V3.0), SIMATIC CP 1545-1 (All versions < V1.1). An attacker with access to the subnet of the affected device could retrieve sensitive information stored in cleartext.

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://cert-portal.siemens.com/productcert/pdf/ssa-535997.pdf

Scores

CVSS v3 6.5
EPSS 0.0004
EPSS Percentile 13.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-312
Status published
Products (2)
siemens/simatic_cp_1543-1_firmware < 3.0
siemens/simatic_cp_1545-1_firmware < 1.1
Published Sep 14, 2021
Tracked Since Feb 18, 2026