8.8
HIGH
CVE-2020-17143
Microsoft Exchange Server Data Exfiltration Move
Description

Microsoft Exchange Server Information Disclosure Vulnerability

INFO

Published Date :

Dec. 10, 2020, 12:15 a.m.

Last Modified :

Nov. 21, 2024, 5:07 a.m.

Source :

secure@microsoft.com

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2020-17143 has a 8 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-2020-17143 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 exchange_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-2020-17143.

URL Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143 Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143 Patch Vendor Advisory

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).

A curated collection of Proof of Concept (PoC) tools, scripts, and techniques designed for red team operations, penetration testing, and cybersecurity research. This repository focuses on providing practical resources for exploring vulnerabilities

attack cybersecurity exp hw penetration-testing poc red-team security-tools vulnerability-poc

Updated: 2 months, 2 weeks ago
5 stars 2 fork 2 watcher
Born at : Nov. 17, 2024, 11:53 a.m. This repo has been linked 414 different CVEs too.

这是一个每天同步Vulnerability-Wiki中docs-base中内容的项目

HTML

Updated: 2 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : Sept. 20, 2024, 3:27 a.m. This repo has been linked 214 different CVEs too.

None

CSS HTML JavaScript

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.

bounty collection

Shell Python Dockerfile Ruby JavaScript ASP.NET Classic ASP HTML PHP Jupyter Notebook

Updated: 2 months, 3 weeks ago
31 stars 5 fork 5 watcher
Born at : Sept. 11, 2023, 11:19 a.m. This repo has been linked 234 different CVEs too.

A Common Vulnerability PoC Knowledge Base一个普遍漏洞POC知识库

vulnerability

Updated: 6 months, 1 week ago
18 stars 6 fork 6 watcher
Born at : June 24, 2023, 3:12 p.m. This repo has been linked 232 different CVEs too.

一个漏洞POC知识库 目前数量 1000+

poc

Updated: 2 months ago
3816 stars 755 fork 755 watcher
Born at : Feb. 20, 2022, 6:43 a.m. This repo has been linked 418 different CVEs too.

Proxylogon & Proxyshell & Proxyoracle & Proxytoken & All exchange server history vulns summarization :)

attackchains exploit vulnerability exchange-server golang python-script proxylogon proxyshell proxyoracle proxytoken proxyrelay cve-2021-42321 proxymaybeshell proxynotshell

Go Python C C# Batchfile Ruby ASP.NET HTML PowerShell JavaScript

Updated: 2 months, 2 weeks ago
525 stars 107 fork 107 watcher
Born at : Nov. 27, 2021, 1:32 p.m. This repo has been linked 37 different CVEs too.

None

Updated: 2 months, 1 week ago
75 stars 15 fork 15 watcher
Born at : Oct. 13, 2021, 4:56 a.m. This repo has been linked 175 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-2020-17143 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-17143 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143
  • CVE Modified by secure@microsoft.com

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by secure@microsoft.com

    Dec. 30, 2023

    Action Type Old Value New Value
    Changed Description Microsoft Exchange Information Disclosure Vulnerability Microsoft Exchange Server Information Disclosure Vulnerability
    Added CVSS V3.1 Microsoft Corporation AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CWE Remap by nvd@nist.gov

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-200 NVD-CWE-noinfo
  • Modified Analysis by nvd@nist.gov

    Mar. 03, 2021

    Action Type Old Value New Value
  • CVE Modified by secure@microsoft.com

    Feb. 22, 2021

    Action Type Old Value New Value
    Changed Description , aka 'Microsoft Exchange Information Disclosure Vulnerability'. Microsoft Exchange Information Disclosure Vulnerability
  • Initial Analysis by nvd@nist.gov

    Dec. 11, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143 Patch, Vendor Advisory
    Added CWE NIST CWE-200
    Added CPE Configuration OR *cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:* *cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:* *cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:* *cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:* *cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
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.
10010090908080707060605050404030302020101000March 7, 2023March 7, 2023May 8, 2023May 8, 2023July 8, 2023July 8, 2023June 18, 2024June 18, 2024July 6, 2024July 6, 2024Aug. 26, 2024Aug. 26, 2024Sept. 10, 2024Sept. 10, 2024Sept. 28, 2024Sept. 28, 2024Dec. 17, 2024Dec. 17, 2024March 17, 2025March 17, 2025March 19, 2025March 19, 2025March 25, 2025March 25, 2025
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-17143 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-2020-17143 weaknesses.

Exploit Prediction

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

80.53 }} 8.98%

score

0.99110

percentile

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