Microsoft Windows up to Server 2022 23H2 Secure Boot protection mechanism
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.1 | $5k-$25k | 0.00 |
A vulnerability was found in Microsoft Windows. It has been rated as critical. This issue affects an unknown code block of the component Secure Boot. The manipulation with an unknown input leads to a protection mechanism vulnerability. Using CWE to declare the problem leads to CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 04/09/2024 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. The identification of this vulnerability is CVE-2024-28921. The exploitation is known to be easy. Attacking locally is a requirement. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/09/2024).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The entries VDB-260007, VDB-260011, VDB-260025 and VDB-260026 are pretty similar.
Product
Type
Vendor
Name
Version
- 10
- 10 21H2
- 10 22H2
- 10 1607
- 10 1809
- 11 21H2
- 11 22H2
- 11 23H2
- Server 2012
- Server 2012 R2
- Server 2016
- Server 2019
- Server 2022
- Server 2022 23H2
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔒VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.1
VulDB Base Score: 6.7
VulDB Temp Score: 5.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 6.7
Vendor Vector (Microsoft): 🔒
CNA Base Score: 6.7
CNA Vector (Microsoft): 🔒
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Protection mechanismCWE: CWE-693
CAPEC: 🔒
ATT&CK: 🔒
Local: Yes
Remote: No
Availability: 🔒
Status: Unproven
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Timeline
03/13/2024 CVE reserved04/09/2024 VulDB entry created
04/09/2024 Advisory disclosed
04/09/2024 Countermeasure disclosed
05/15/2024 VulDB entry last update
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2024-28921 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔒
Entry
Created: 04/09/2024 20:10Updated: 05/15/2024 08:59
Changes: 04/09/2024 20:10 (7), 04/09/2024 20:11 (27), 04/09/2024 20:14 (35), 05/15/2024 08:55 (1), 05/15/2024 08:59 (10)
Complete: 🔍
Cache ID: 3:33B:103
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