SIEMENS SIMATIC S7-400 CPU および SIMATIC S7-400H CPU における任データ処理に関する脆弱性
| Title |
SIEMENS SIMATIC S7-400 CPU および SIMATIC S7-400H CPU における任データ処理に関する脆弱性
|
| Summary |
SIEMENS SIMATIC S7-400 CPU および SIMATIC S7-400H CPU には、データ処理に関する脆弱性が存在します。
|
| Possible impacts |
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 |
May 15, 2018, midnight |
| Registration Date |
July 9, 2018, 4:40 p.m. |
| Last Update |
July 9, 2018, 4:40 p.m. |
|
CVSS3.0 : 重要
|
| Score |
7.5
|
| Vector |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
|
CVSS2.0 : 警告
|
| Score |
5
|
| Vector |
AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected System
| シーメンス |
|
SIMATIC S7-400 ファームウェア
|
|
SIMATIC S7-400H 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 |
[2018年07月09日]
掲載 |
July 9, 2018, 4:40 p.m. |
NVD Vulnerability Information
CVE-2018-4850
| Summary |
A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart.
|
| Publication Date |
May 17, 2018, 2:29 a.m. |
| Registration Date |
March 1, 2021, 7:29 p.m. |
| Last Update |
Nov. 21, 2024, 1:07 p.m. |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_s7-400_firmware:*:*:*:*:*:*:*:* |
|
4.0 |
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_s7-400:-:*:*:*:*:*:*:* |
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_s7-400_firmware:*:*:*:*:*:*:*:* |
|
|
|
5.2 |
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_s7-400:-:*:*:*:*:*:*:* |
| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_s7-400h_firmware:*:*:*:*:*:*:*:* |
|
4.5 |
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_s7-400h:-:*:*:*:*:*:*:* |
Related information, measures and tools
Common Vulnerabilities List