NVD Vulnerability Detail

CVE-2020-12002

Summary	Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple stack-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.
Publication Date	May 8, 2020, 9:15 p.m.
Registration Date	Jan. 26, 2021, 11:51 a.m.
Last Update	Nov. 21, 2024, 1:59 p.m.

CVSS3.1 : CRITICAL
スコア	9.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
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)	高
完全性への影響(I)	高
可用性への影響(A)	高

CVSS2.0 : HIGH
Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	低
完全性への影響(I)	低
可用性への影響(A)	低
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:a:advantech:webaccess:9.0.0:::::::*
cpe:2.3:a:advantech:webaccess::::::::		8.4.4

Related information, measures and tools

No	URL	タグ
1	https://www.us-cert.gov/ics/advisories/icsa-20-128-01	Third Party Advisory US Government Resource
2	https://www.zerodayinitiative.com/advisories/ZDI-20-590/	Third Party Advisory VDB Entry
3	https://www.zerodayinitiative.com/advisories/ZDI-20-591/	Third Party Advisory VDB Entry
4	https://www.zerodayinitiative.com/advisories/ZDI-20-592/	Third Party Advisory VDB Entry
5	https://www.zerodayinitiative.com/advisories/ZDI-20-619/	Third Party Advisory VDB Entry
6	https://www.zerodayinitiative.com/advisories/ZDI-20-622/	Third Party Advisory VDB Entry
7	https://www.zerodayinitiative.com/advisories/ZDI-20-624/	Third Party Advisory VDB Entry
8	https://www.zerodayinitiative.com/advisories/ZDI-20-625/	Third Party Advisory VDB Entry
9	https://www.zerodayinitiative.com/advisories/ZDI-20-633/	Third Party Advisory VDB Entry
10	https://www.zerodayinitiative.com/advisories/ZDI-20-634/	Third Party Advisory VDB Entry
11	https://www.us-cert.gov/ics/advisories/icsa-20-128-01	Third Party Advisory US Government Resource
12	https://www.zerodayinitiative.com/advisories/ZDI-20-634/	Third Party Advisory VDB Entry
13	https://www.zerodayinitiative.com/advisories/ZDI-20-633/	Third Party Advisory VDB Entry
14	https://www.zerodayinitiative.com/advisories/ZDI-20-625/	Third Party Advisory VDB Entry
15	https://www.zerodayinitiative.com/advisories/ZDI-20-624/	Third Party Advisory VDB Entry
16	https://www.zerodayinitiative.com/advisories/ZDI-20-622/	Third Party Advisory VDB Entry
17	https://www.zerodayinitiative.com/advisories/ZDI-20-619/	Third Party Advisory VDB Entry
18	https://www.zerodayinitiative.com/advisories/ZDI-20-592/	Third Party Advisory VDB Entry
19	https://www.zerodayinitiative.com/advisories/ZDI-20-591/	Third Party Advisory VDB Entry
20	https://www.zerodayinitiative.com/advisories/ZDI-20-590/	Third Party Advisory VDB Entry

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-787	境界外書き込み	https://cwe.mitre.org/data/definitions/787.html

JVN Vulnerability Information

Advantech WebAccess Node における境界外書き込みに関する脆弱性

Title	Advantech WebAccess Node における境界外書き込みに関する脆弱性
Summary	Advantech WebAccess Node には、境界外書き込み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	ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date	May 7, 2020, midnight
Registration Date	June 8, 2020, 5:05 p.m.
Last Update	June 8, 2020, 5:05 p.m.

Affected System

アドバンテック株式会社

WebAccess 9.0.0

WebAccess 8.4.4 およびそれ以前

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2020-12002	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12002
National Vulnerability Database (NVD)
2	CVE-2020-12002	https://nvd.nist.gov/vuln/detail/CVE-2020-12002

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-787	https://cwe.mitre.org/data/definitions/787.html

ベンダー情報

No	Name	URL
Advantech
1	Top Page	https://www.advantech.com/

その他

No	Name	URL
ICS-CERT ADVISORY
1	ICSA-20-128-01	https://www.us-cert.gov/ics/advisories/icsa-20-128-01
JVN
2	JVNVU#93292753	https://jvn.jp/vu/JVNVU93292753/

Change Log

No	Changed Details	Date of change
1	[2020年06月08日] 掲載	June 8, 2020, 5:05 p.m.