Microsoft Windows up to Server 2022 Support Diagnostic Tool Follina Remote Code Execution

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.
7.1$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Microsoft Windows (Operating System). This issue affects some unknown functionality of the component Support Diagnostic Tool. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/31/2022 by crazyman with Shadow Chaser Group as confirmed tweet (Twitter). The advisory is shared at twitter.com. The identification of this vulnerability is CVE-2022-30190. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

The exploit is available at app.box.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $25k-$100k.

It is possible to mitigate the problem by applying the configuration setting reg delete HKEY_CLASSES_ROOT\ms-msdt /f.

Affected

  • Microsoft Office

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

Video

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍

CNA Base Score: 7.8
CNA Vector (Microsoft Corporation): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Config
Status: 🔍

0-Day Time: 🔍

Config: reg delete HKEY_CLASSES_ROOT\ms-msdt /f
Workaround: msrc-blog.microsoft.com

Timelineinfo

05/03/2022 🔍
05/30/2022 +27 days 🔍
05/31/2022 +1 days 🔍
05/31/2022 +0 days 🔍
06/04/2022 +4 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: twitter.com
Researcher: crazyman
Organization: Shadow Chaser Group
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-30190 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 05/31/2022 07:51
Updated: 06/04/2022 09:03
Changes: 05/31/2022 07:51 (37), 05/31/2022 07:52 (3), 05/31/2022 13:11 (1), 06/01/2022 00:40 (2), 06/01/2022 22:27 (1), 06/02/2022 08:41 (39), 06/04/2022 08:59 (2), 06/04/2022 09:03 (8)
Complete: 🔍

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