9.9
CRITICAL
CVE-2020-1595
Microsoft SharePoint Deserialization Remote Code Execution Vulnerability
Description

<p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p> <p>Exploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.</p> <p>The security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.</p>

INFO

Published Date :

Sept. 11, 2020, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 5:10 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

3.1
Public PoC/Exploit Available at Github

CVE-2020-1595 has a 2 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-2020-1595 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-2020-1595.

URL Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1595 Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1595 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).

Summary of the most current security updates and patches released by Microsoft and other major apps

Updated: 4 years, 2 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 19, 2020, 5:26 p.m. This repo has been linked 38 different CVEs too.

CVE Data Analysis, CVE Monitor, CVE EXP Prediction Based on Deep Learning. 1999-2020年存量CVE数据分析、监控CVE增量更新、基于深度学习的CVE EXP预测和自动化推送

Python

Updated: 2 weeks, 3 days ago
176 stars 24 fork 24 watcher
Born at : June 15, 2020, 2:56 p.m. This repo has been linked 692 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-2020-1595 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-1595 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-2020-1595
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Dec. 31, 2023

    Action Type Old Value New Value
    Changed Description A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1200, CVE-2020-1210, CVE-2020-1452, CVE-2020-1453, CVE-2020-1576. <p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p> <p>Exploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.</p> <p>The security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.</p>
    Added CVSS V3.1 Microsoft Corporation AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • Initial Analysis by [email protected]

    Sep. 13, 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-2020-1595 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1595 Patch, Vendor Advisory
    Added CWE NIST CWE-494
    Added CPE Configuration OR *cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:* *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: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.
Exploit Prediction

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

2.18 }} 0.57%

score

0.89038

percentile

CVSS31 - Vulnerability Scoring System
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