AMI/Dell/HPE/Insyde/Intel UEFI toctou
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability was found in AMI/Dell/HPE/Insyde/Intel UEFI (affected version not known). It has been rated as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a toctou vulnerability. Using CWE to declare the problem leads to CWE-367. The software checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the software to perform invalid actions when the resource is in an unexpected state. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 11/11/2022. The advisory is shared for download at kb.cert.org. This vulnerability is handled as CVE-2021-33164. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/17/2022).
Upgrading eliminates this vulnerability.
CVSSv3VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
CWE: CWE-367 / CWE-362
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
0-Day Time: 🔒
Timeline05/18/2021 CVE reserved
11/11/2022 +542 days Advisory disclosed
11/11/2022 +0 days VulDB entry created
12/17/2022 +36 days VulDB last update
CVE: CVE-2021-33164 (🔒)
EntryCreated: 11/11/2022 08:58 AM
Updated: 12/17/2022 08:47 AM
Changes: 11/11/2022 08:58 AM (34), 12/17/2022 08:47 AM (3)
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