CVE-2021-21539
Published Apr 30, 2021
Last updated 4 years ago
Overview
- Description
- 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.
- Source
- security_alert@emc.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.1
- Impact score
- 5.9
- Exploitability score
- 1.2
- Vector string
- CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 4.6
- Impact score
- 6.4
- Exploitability score
- 3.9
- Vector string
- AV:N/AC:H/Au:S/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-367
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5E9ED974-1468-4B8B-B82E-5E0340C2601B",
"versionEndExcluding": "4.40.00.00"
}
],
"operator": "OR"
}
]
}
]