Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Physical
0

CVE-2019-13945

Disclosure Date: December 12, 2019 •
CVE-2019-13945 CVSS v3 Base Score: 6.8
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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.

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CVSS V3 Severity and Metrics
Base Score:
6.8 Medium
Impact Score:
5.9
Exploitability Score:
0.9
Vector:
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Physical
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
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
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Additional Info

Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Technical Analysis