Microsoft SharePoint 2016/2019/Subscription Edition privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft SharePoint 2016/2019/Subscription Edition. It has been declared as critical. Affected by this issue is some unknown functionality. Such manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2021-42320. The attack can be launched remotely. No exploit exists. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft SharePoint 2016/2019/Subscription Edition (Groupware Software) and classified as critical. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 12/14/2021 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2021-42320. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

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

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 8.0
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 8.0
Vendor Vector (Microsoft): 🔍

CVSSv2info

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

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

10/12/2021 🔍
12/14/2021 +63 days 🔍
12/14/2021 +0 days 🔍
12/15/2021 +0 days 🔍
12/17/2021 +2 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed

CVE: CVE-2021-42320 (🔍)
GCVE (CVE): GCVE-0-2021-42320
GCVE (VulDB): GCVE-100-188222

Entryinfo

Created: 12/15/2021 05:36
Updated: 12/17/2021 12:54
Changes: 12/15/2021 05:36 (34), 12/15/2021 05:39 (19), 12/15/2021 05:40 (1), 12/17/2021 12:54 (2)
Complete: 🔍
Cache ID: 216::103

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