Microsoft Windows up to Server 2022 Open Source Curl data authenticity

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Windows up to Server 2022. This vulnerability affects unknown code of the component Open Source Curl. Such manipulation leads to an unknown weakness. This vulnerability is referenced as CVE-2021-22947. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows up to Server 2022 (Operating System). It has been rated as critical. Affected by this issue is an unknown code block of the component Open Source Curl. Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is confidentiality, integrity, and availability.

The weakness was published 01/11/2022 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2021-22947. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/21/2025).

The vulnerability scanner Nessus provides a plugin with the ID 236591 (Alibaba Cloud Linux 3 : 0078: curl (ALINUX3-SA-2021:0078)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236591). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

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

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236591
Nessus Name: Alibaba Cloud Linux 3 : 0078: curl (ALINUX3-SA-2021:0078)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/06/2021 🔍
01/11/2022 +370 days 🔍
01/11/2022 +0 days 🔍
01/11/2022 +0 days 🔍
05/21/2025 +1225 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: DLA 2773-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-22947 (🔍)
GCVE (CVE): GCVE-0-2021-22947
GCVE (VulDB): GCVE-100-190160
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 01/11/2022 22:54
Updated: 05/21/2025 03:39
Changes: 01/11/2022 22:54 (12), 01/11/2022 22:55 (1), 01/11/2022 22:58 (29), 01/15/2022 07:15 (4), 01/15/2022 07:20 (19), 05/21/2025 03:39 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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