Intel Xeon Processors sequence of processor instructions leads to unexpected behavior

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel Xeon Processors. It has been classified as problematic. Affected by this issue is some unknown functionality. This manipulation causes sequence of processor instructions leads to unexpected behavior. This vulnerability is registered as CVE-2024-37020. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in Intel Xeon Processors (unknown version). Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a sequence of processor instructions leads to unexpected behavior vulnerability. The CWE definition for the vulnerability is CWE-1281. Specific combinations of processor instructions lead to undesirable behavior such as locking the processor until a hard reset performed. As an impact it is known to affect availability. The summary by CVE is:

Sequence of processor instructions leads to unexpected behavior in the Intel(R) DSA V1.0 for some Intel(R) Xeon(R) Processors may allow an authenticated user to potentially enable denial of service via local access.

It is possible to read the advisory at intel.com. This vulnerability is known as CVE-2024-37020 since 06/19/2024. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 216356 (Fedora 41 : microcode_ctl (2025-c99f9d789a)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (216356). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

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: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.8
CNA Vector (intel): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Sequence of processor instructions leads to unexpected behavior
CWE: CWE-1281
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 216356
Nessus Name: Fedora 41 : microcode_ctl (2025-c99f9d789a)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/19/2024 🔍
02/12/2025 +238 days 🔍
02/12/2025 +0 days 🔍
02/16/2025 +4 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01194
Status: Confirmed

CVE: CVE-2024-37020 (🔍)
GCVE (CVE): GCVE-0-2024-37020
GCVE (VulDB): GCVE-100-295615

Entryinfo

Created: 02/12/2025 23:14
Updated: 02/16/2025 13:03
Changes: 02/12/2025 23:14 (73), 02/16/2025 13:03 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!