CVE-2021-21539
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.
CvssV3 impact
BaseSeverity | HIGH |
ConfidentialityImpact | HIGH |
AttackComplexity | HIGH |
Scope | UNCHANGED |
AttackVector | NETWORK |
AvailabilityImpact | HIGH |
IntegrityImpact | HIGH |
PrivilegesRequired | LOW |
BaseScore | 7.1 |
VectorString | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H |
Version | 3.1 |
UserInteraction | REQUIRED |
CvssV2 impact
AccessComplexity | HIGH |
ConfidentialityImpact | PARTIAL |
AvailabilityImpact | PARTIAL |
IntegrityImpact | PARTIAL |
BaseScore | 4.6 |
VectorString | AV:N/AC:H/Au:S/C:P/I:P/A:P |
Version | 2.0 |
AccessVector | NETWORK |
Authentication | SINGLE |