CVEvulnerability

CVE-2019-13945

6.8 MEDIUM Published 2019-12-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-12-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.8 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-749

Description

A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-1200 CPU family < V4.x (incl. SIPLUS variants) (All versions), SIMATIC S7-1200 CPU family V4.x (incl. SIPLUS variants) (All versions with Function State (FS) < 11), SIMATIC S7-200 SMART CPU CR20s (6ES7 288-1CR20-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU CR30s (6ES7 288-1CR30-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU CR40 (6ES7 288-1CR40-0AA0) (All versions <= V2.2.2 and Function State (FS) <= 8), SIMATIC S7-200 SMART CPU CR40s (6ES7 288-1CR40-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU CR60 (6ES7 288-1CR60-0AA0) (All versions <= V2.2.2 and Function State (FS) <= 10), SIMATIC S7-200 SMART CPU CR60s (6ES7 288-1CR60-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU SR20 (6ES7 288-1SR20-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 11), SIMATIC S7-200 SMART CPU SR30 (6ES7 288-1SR30-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 10), SIMATIC S7-200 SMART CPU SR40 (6ES7 288-1SR40-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 10), SIMATIC S7-200 SMART CPU SR60 (6ES7 288-1SR60-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 12), SIMATIC S7-200 SMART CPU ST20 (6ES7 288-1ST20-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 9), SIMATIC S7-200 SMART CPU ST30 (6ES7 288-1ST30-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 9), SIMATIC S7-200 SMART CPU ST40 (6ES7 288-1ST40-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 8), SIMATIC S7-200 SMART CPU ST60 (6ES7 288-1ST60-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 8), SIMATIC S7-200 SMART CPU family (All versions). There is an access mode used during manufacturing of the affected devices that allows additional diagnostic functionality. The security vulnerability could be exploited by an attacker with physical access to the UART interface during boot process.

Affected configurations

• siemens simatic s7-1200 firmware • siemens s7-200 smart firmware • siemens simatic s7-200 smart cpu st20 firmware (<= 2.5.0) • siemens simatic s7-200 smart cpu st30 firmware (<= 2.5.0) • siemens simatic s7-200 smart cpu st40 firmware (<= 2.5.0) • siemens simatic s7-200 smart cpu st60 firmware (<= 2.5.0) • siemens simatic s7-200 smart cpu sr20 firmware (<= 2.5.0) • siemens simatic s7-200 smart cpu sr30 firmware (<= 2.5.0) • siemens simatic s7-200 smart cpu sr40 firmware (<= 2.5.0) • siemens simatic s7-200 smart cpu sr60 firmware (<= 2.5.0) • siemens simatic s7-200 smart cpu cr40 firmware (<= 2.2.2) • siemens simatic s7-200 smart cpu cr60 firmware (<= 2.2.2) • siemens simatic s7-200 smart cpu cr20s firmware (<= 2.3.0) • siemens simatic s7-200 smart cpu cr30s firmware (<= 2.3.0) • siemens simatic s7-200 smart cpu cr40s firmware (<= 2.3.0) • siemens simatic s7-200 smart cpu cr60s firmware (<= 2.3.0)

Related

Weakness · CWE (1)

  • CWE-749 Exposed Dangerous Method or Function weakness

Referenced by CWE · observed example (1)

  • CWE-1269 Product Released in Non-Release Configuration weakness

References