NVD Vulnerability Detail
Search Exploit, PoC
CVE-2020-8336
Summary

Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmware in flash.

Publication Date June 10, 2020, 5:15 a.m.
Registration Date Jan. 26, 2021, 12:01 p.m.
Last Update Nov. 21, 2024, 2:38 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) 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 : 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) 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:o:lenovo:thinkpad_e14_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_e14:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_e15_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_e15:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_r14_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_r14:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_s3_gen_2_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_s3_gen_2:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_e490s_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_e490s:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_s3_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_s3:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_e490_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_e490:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_e590_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_e590:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_r490_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_r490:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_r590_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_r590:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_l13_1st_gen_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_l13_1st_gen:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_l1415_gen_1_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_l1415_gen_1:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_l390_yoga_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_l390_yoga:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_s2_yoga_4th_gen_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_s2_yoga_4th_gen:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_l490_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_l490:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_l590_firmware:*:*:*:*:*:*:*:* 2020-07-10
execution environment
1 cpe:2.3:h:lenovo:thinkpad_l590:-:*:*:*:*:*:*:*
Configuration17 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_p1_\(20mx\)_firmware:*:*:*:*:*:*:*:* n2eet47w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_p1_\(20mx\):-:*:*:*:*:*:*:*
Configuration18 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_p1_\(20qx\)_firmware:*:*:*:*:*:*:*:* n2oet44w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_p1_\(20qx\):-:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_p43s_\(20rx\)_firmware:*:*:*:*:*:*:*:* n2iet88w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_p43s_\(20rx\):-:*:*:*:*:*:*:*
Configuration20 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_p52_\(20mx\)_firmware:*:*:*:*:*:*:*:* n2cet51w-1.34
execution environment
1 cpe:2.3:h:lenovo:thinkpad_p52_\(20mx\):-:*:*:*:*:*:*:*
Configuration21 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_p53_\(20qx\)_firmware:*:*:*:*:*:*:*:* n2net37w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_p53_\(20qx\):-:*:*:*:*:*:*:*
Configuration22 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_p53s_\(20nx\)_firmware:*:*:*:*:*:*:*:* n2iet88w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_p53s_\(20nx\):-:*:*:*:*:*:*:*
Configuration23 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_p72_\(20mx\)_firmware:*:*:*:*:*:*:*:* n2cet51w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_p72_\(20mx\):-:*:*:*:*:*:*:*
Configuration24 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_p73_\(20qx\)_firmware:*:*:*:*:*:*:*:* n2net37w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_p73_\(20qx\):-:*:*:*:*:*:*:*
Configuration25 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_t490_\(20nx\)_firmware:*:*:*:*:*:*:*:* n2iet88w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_t490_\(20nx\):-:*:*:*:*:*:*:*
Configuration26 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_t490_\(20qx\)_firmware:*:*:*:*:*:*:*:* n2iet88w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_t490_\(20qx\):-:*:*:*:*:*:*:*
Configuration27 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_t490_\(20rx\)_firmware:*:*:*:*:*:*:*:* n2iet88w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_t490_\(20rx\):-:*:*:*:*:*:*:*
Configuration28 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_t490s_\(20nx\)_firmware:*:*:*:*:*:*:*:* n2jet87w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_t490s_\(20nx\):-:*:*:*:*:*:*:*
Configuration29 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_t590_\(20nx\)_firmware:*:*:*:*:*:*:*:* n2iet88w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_t590_\(20nx\):-:*:*:*:*:*:*:*
Configuration30 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_x1_carbon_\(20qx\)_firmware:*:*:*:*:*:*:*:* n2het47w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_x1_carbon_\(20qx\):-:*:*:*:*:*:*:*
Configuration31 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_x1_carbon_\(20rx\)_firmware:*:*:*:*:*:*:*:* n2het47w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_x1_carbon_\(20rx\):-:*:*:*:*:*:*:*
Configuration32 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_x1_extreme_\(20mx\)_firmware:*:*:*:*:*:*:*:* n2eet47w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_x1_extreme_\(20mx\):-:*:*:*:*:*:*:*
Configuration33 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_x1_extreme_\(20qx\)_firmware:*:*:*:*:*:*:*:* n2oet44w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_x1_extreme_\(20qx\):-:*:*:*:*:*:*:*
Configuration34 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_x1_yoga_\(20qx\)_firmware:*:*:*:*:*:*:*:* n2het47w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_x1_yoga_\(20qx\):-:*:*:*:*:*:*:*
Configuration35 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_x1_yoga_\(20sx\)_firmware:*:*:*:*:*:*:*:* n2het47w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_x1_yoga_\(20sx\):-:*:*:*:*:*:*:*
Configuration36 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_x390_\(20qx\)_firmware:*:*:*:*:*:*:*:* n2jet87w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_x390_\(20qx\):-:*:*:*:*:*:*:*
Configuration37 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_x390_\(20sx\)_firmware:*:*:*:*:*:*:*:* n2set18w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_x390_\(20sx\):-:*:*:*:*:*:*:*
Configuration38 or higher or less more than less than
cpe:2.3:o:lenovo:thinkpad_x390_yoga_firmware:*:*:*:*:*:*:*:* n2let74w
execution environment
1 cpe:2.3:h:lenovo:thinkpad_x390_yoga:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
複数の ThinkPad モデルにおける脆弱性
Title 複数の ThinkPad モデルにおける脆弱性
Summary

複数の ThinkPad モデルには、不特定の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 June 9, 2020, midnight
Registration Date July 20, 2020, 1:40 p.m.
Last Update July 20, 2020, 1:40 p.m.
Affected System
Lenovo
ThinkPad E14 ファームウェア 
ThinkPad E15 ファームウェア 
ThinkPad E490 ファームウェア 
ThinkPad E490s ファームウェア 
ThinkPad E590 ファームウェア 
ThinkPad R14 ファームウェア 
ThinkPad R490 ファームウェア 
ThinkPad R590 ファームウェア 
ThinkPad S3 gen 2ファームウェア 
ThinkPad S3 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
Change Log
No Changed Details Date of change
1 [2020年07月20日]
  掲載		 July 20, 2020, 1:40 p.m.