8.0
HIGH
CVE-2022-21987
Microsoft SharePoint Server Authentication Bypass
Description

Microsoft SharePoint Server Spoofing Vulnerability

INFO

Published Date :

Feb. 9, 2022, 5:15 p.m.

Last Modified :

June 29, 2023, 5:15 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.1
Public PoC/Exploit Available at Github

CVE-2022-21987 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2022-21987 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft sharepoint_enterprise_server
2 Microsoft sharepoint_foundation
3 Microsoft sharepoint_server
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-21987.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21987

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

test 反向辣鸡数据投放 CVE-2022-23305 工具 利用 教程 Exploit POC

cve-2020-

Updated: 2 years ago
5 stars 2 fork 2 watcher
Born at : Jan. 21, 2022, 5:07 a.m. This repo has been linked 2608 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-21987 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-21987 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 29, 2023

    Action Type Old Value New Value
    Changed Description Microsoft SharePoint Server Spoofing Vulnerability. Microsoft SharePoint Server Spoofing Vulnerability
    Removed Reference https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21987 [Patch, Vendor Advisory]
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21987 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 14, 2022

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:P/A:P)
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21987 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21987 Patch, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:* *cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:* *cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-21987 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-21987 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.18 }} 0.05%

score

0.53811

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability