Dell EMC iDRAC9 における Time-of-check Time-of-use (TOCTOU) 競合状態の脆弱性
| Title |
Dell EMC iDRAC9 における Time-of-check Time-of-use (TOCTOU) 競合状態の脆弱性
|
| Summary |
Dell EMC iDRAC9 には、Time-of-check Time-of-use (TOCTOU) 競合状態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 |
April 14, 2021, midnight |
| Registration Date |
Jan. 5, 2022, 12:24 p.m. |
| Last Update |
Jan. 5, 2022, 12:24 p.m. |
|
CVSS3.0 : 重要
|
| Score |
7.1
|
| Vector |
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H |
|
CVSS2.0 : 警告
|
| Score |
4.6
|
| Vector |
AV:N/AC:H/Au:S/C:P/I:P/A:P |
Affected System
| デル |
|
iDRAC9 ファームウェア 4.40.00.00 未満
|
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 |
[2022年01月05日]
掲載 |
Jan. 5, 2022, 12:24 p.m. |
NVD Vulnerability Information
CVE-2021-21539
| Summary |
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface.
|
| Publication Date |
May 1, 2021, 6:15 a.m. |
| Registration Date |
May 1, 2021, 10:04 a.m. |
| Last Update |
Nov. 21, 2024, 2:48 p.m. |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:* |
|
|
|
4.40.00.00 |
Related information, measures and tools
Common Vulnerabilities List