Intel CSME integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel CSME. It has been rated as problematic. Affected is an unknown function. This manipulation causes integer overflow. This vulnerability appears as CVE-2024-21844. The attacker needs to be present on the local network. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Intel CSME (version unknown) and classified as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect availability. The summary by CVE is:

Integer overflow in firmware for some Intel(R) CSME may allow an unauthenticated user to potentially enable denial of service via adjacent access.

It is possible to read the advisory at intel.com. This vulnerability is known as CVE-2024-21844 since 01/05/2024. The exploitation appears to be easy. The attack needs to approached within the local network. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/05/2026).

Upgrading eliminates this vulnerability. The upgrade is hosted for download at intel.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (intel): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: intel.com

Timelineinfo

01/05/2024 🔍
08/14/2024 +221 days 🔍
08/14/2024 +0 days 🔍
02/05/2026 +540 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00999
Status: Confirmed

CVE: CVE-2024-21844 (🔍)
GCVE (CVE): GCVE-0-2024-21844
GCVE (VulDB): GCVE-100-274603

Entryinfo

Created: 08/14/2024 16:53
Updated: 02/05/2026 08:13
Changes: 08/14/2024 16:53 (72), 02/05/2026 08:10 (2), 02/05/2026 08:13 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

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