Microsoft Windows Server 2012/Server 2012 R2 Secure Boot stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $5k-$25k | 0.00 |
Summary
A vulnerability described as critical has been identified in Microsoft Windows Server 2012/Server 2012 R2. The affected element is an unknown function of the component Secure Boot. Executing a manipulation can lead to stack-based overflow. This vulnerability is handled as CVE-2024-20689. The attack can only be done within the local network. There is not any exploit available. Applying a patch is advised to resolve this issue.
Details
A vulnerability was found in Microsoft Windows Server 2012/Server 2012 R2. It has been declared as critical. This vulnerability affects an unknown code block of the component Secure Boot. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 04/09/2024 as confirmed security update guide (Website). The advisory is shared for download at msrc.microsoft.com. This vulnerability was named CVE-2024-20689. The exploitation appears to be difficult. Access to the local network is required for this attack. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/09/2025).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 6.5
VulDB Base Score: 7.1
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.1
Vendor Vector (Microsoft): 🔍
CNA Base Score: 7.1
CNA Vector (Microsoft): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
11/28/2023 🔍04/09/2024 🔍
04/09/2024 🔍
04/09/2024 🔍
04/07/2025 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2024-20689 (🔍)
GCVE (CVE): GCVE-0-2024-20689
GCVE (VulDB): GCVE-100-259936
Entry
Created: 04/09/2024 19:17Updated: 04/07/2025 10:14
Changes: 04/09/2024 19:17 (31), 04/09/2024 19:18 (4), 04/09/2024 19:21 (34), 05/14/2024 12:06 (1), 05/14/2024 12:14 (10), 01/09/2025 03:04 (2), 04/07/2025 10:14 (3)
Complete: 🔍
Cache ID: 216::103
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