VDB-186891 · CVE-2021-33090 · intel-sa-00568

Intel NUC HDMI Firmware Update Tool prior 1.78.2.0.7 Installer default permission

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.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Intel NUC HDMI Firmware Update Tool. It has been classified as critical. Affected by this issue is some unknown functionality of the component Installer. Performing a manipulation results in default permission. This vulnerability is identified as CVE-2021-33090. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Intel NUC HDMI Firmware Update Tool (Firmware Software). It has been classified as critical. This affects an unknown code block of the component Installer. The manipulation with an unknown input leads to a default permission vulnerability. CWE is classifying the issue as CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 11/18/2021 as intel-sa-00568. It is possible to read the advisory at intel.com. This vulnerability is uniquely identified as CVE-2021-33090 since 05/18/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Upgrading to version 1.78.2.0.7 eliminates this vulnerability.

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

Productinfo

Type

Firmware Software

Vendor

Intel

Name

NUC HDMI Firmware Update Tool

License

commercial

Website

Vendor: https://www.intel.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NUC HDMI Firmware Update Tool 1.78.2.0.7

Timelineinfo

05/18/2021 🔍
11/18/2021 +184 days 🔍
11/18/2021 +0 days 🔍
11/21/2021 +3 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00568
Status: Confirmed

CVE: CVE-2021-33090 (🔍)
GCVE (CVE): GCVE-0-2021-33090
GCVE (VulDB): GCVE-100-186891

Entryinfo

Created: 11/18/2021 10:58
Updated: 11/21/2021 19:07
Changes: 11/18/2021 10:58 (40), 11/21/2021 19:00 (1), 11/21/2021 19:07 (18)
Complete: 🔍
Cache ID: 216::103