NVD Vulnerability Detail
Search Exploit, PoC
CVE-2019-13945
Summary

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.

Publication Date Dec. 12, 2019, 11:15 p.m.
Registration Date Jan. 26, 2021, 11:38 a.m.
Last Update Nov. 21, 2024, 1:25 p.m.
CVSS3.1 : MEDIUM
スコア 6.8
Vector CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV) 物理
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A)
CVSS2.0 : MEDIUM
Score 4.6
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC)
攻撃前の認証要否(Au) 不要
機密性への影響(C)
完全性への影響(I)
可用性への影響(A)
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-1200_firmware:*:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:siemens:simatic_s7-1200:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:siemens:s7-200_smart_firmware:*:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:siemens:s7-200_smart:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_st20_firmware:*:*:*:*:*:*:*:* 2.5.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_st20:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_st30_firmware:*:*:*:*:*:*:*:* 2.5.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_st30:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_st40_firmware:*:*:*:*:*:*:*:* 2.5.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_st40:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_st60_firmware:*:*:*:*:*:*:*:* 2.5.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_st60:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_sr20_firmware:*:*:*:*:*:*:*:* 2.5.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_sr20:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_sr30_firmware:*:*:*:*:*:*:*:* 2.5.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_sr30:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_sr40_firmware:*:*:*:*:*:*:*:* 2.5.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_sr40:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_sr60_firmware:*:*:*:*:*:*:*:* 2.5.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_sr60:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr40_firmware:*:*:*:*:*:*:*:* 2.2.2
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_cr40:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr60_firmware:*:*:*:*:*:*:*:* 2.2.2
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_cr60:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr20s_firmware:*:*:*:*:*:*:*:* 2.3.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_cr20s:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr30s_firmware:*:*:*:*:*:*:*:* 2.3.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_cr30s:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr40s_firmware:*:*:*:*:*:*:*:* 2.3.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_cr40s:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr60s_firmware:*:*:*:*:*:*:*:* 2.3.0
execution environment
1 cpe:2.3:h:siemens:simatic_s7-200_smart_cpu_cr60s:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List

JVN Vulnerability Information
SIMATIC S7-1200 CPU family および S7-200 SMART CPU family における入力確認に関する脆弱性
Title SIMATIC S7-1200 CPU family および S7-200 SMART CPU family における入力確認に関する脆弱性
Summary

SIMATIC S7-1200 CPU family および S7-200 SMART CPU family には、入力確認に関する脆弱性が存在します。

Possible impacts 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。

Publication Date Nov. 12, 2019, midnight
Registration Date Dec. 25, 2019, 3:07 p.m.
Last Update March 25, 2020, 5:35 p.m.
Affected System
シーメンス
SIMATIC S7-1200 ファームウェア 
SIMATIC S7-200 SMART ファームウェア 
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
その他
Change Log
No Changed Details Date of change
1 [2019年12月25日]
  掲載
Dec. 25, 2019, 3:07 p.m.
2 [2020年03月25日]
  参考情報:ICS-CERT ADVISORY (ICSA-19-318-02) を追加
March 25, 2020, 11:18 a.m.