8.8
HIGH
CVE-2018-8420
Microsoft XML Core Services MSXML Remote Code Execution Vulnerability
Description

A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input, aka "MS XML Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

INFO

Published Date :

Sept. 13, 2018, 12:29 a.m.

Last Modified :

Nov. 19, 2018, 2:20 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2018-8420 has a 27 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-2018-8420 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 windows_10
2 Microsoft windows_7
3 Microsoft windows_8.1
4 Microsoft windows_rt_8.1
5 Microsoft windows_server_2008
6 Microsoft windows_server_2012
7 Microsoft windows_server_2016
8 Microsoft windows_server
: Total Affected Vendor : 1 | Products : 8
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-2018-8420.

URL Resource
http://www.securityfocus.com/bid/105259 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041627 Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8420 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).

Profile Photo
twensoo/PersistentThreat

RedTeam link

Updated: 5 months ago
1 stars 0 fork 0 watcher
Born at : Nov. 7, 2023, 2:12 p.m. This repo has been linked 34 different CVEs too.
Profile Photo
lnick2023/nicenice

None

Updated: 1 year, 8 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 11, 2023, 1:21 p.m. This repo has been linked 1042 different CVEs too.
Profile Photo
nobiusmallyu/kehai

None

Updated: 2 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : April 18, 2022, 2:42 p.m. This repo has been linked 34 different CVEs too.
Profile Photo
svbjdbk123/-

None

Python

Updated: 2 years, 7 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 3, 2022, 5:46 p.m. This repo has been linked 36 different CVEs too.
Profile Photo
dk47os3r/hongduiziliao

红队渗透测试|攻防|学习|工具|分析|研究资料汇总

Updated: 2 weeks, 5 days ago
213 stars 56 fork 56 watcher
Born at : Aug. 30, 2021, 7:18 a.m. This repo has been linked 34 different CVEs too.
Profile Photo
1o24er/RedTeam

None

Updated: 9 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : May 10, 2021, 6:27 a.m. This repo has been linked 34 different CVEs too.
Profile Photo
Ondrik8/RED-Team

None

Updated: 1 week, 5 days ago
107 stars 23 fork 23 watcher
Born at : April 5, 2021, 9:58 p.m. This repo has been linked 34 different CVEs too.
Profile Photo
yut0u/RedTeam-BlackBox

转于互联网作备份（更新ing），侵删👣

Updated: 3 years, 5 months ago
0 stars 7 fork 7 watcher
Born at : April 3, 2021, 2:50 a.m. This repo has been linked 34 different CVEs too.
Profile Photo
hectorgie/PoC-in-GitHub

None

Updated: 1 year, 1 month ago
17 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1050 different CVEs too.
Profile Photo
Al1ex/Red-Team

Red-Team Attack Guid

red-team

Updated: 1 week, 6 days ago
248 stars 64 fork 64 watcher
Born at : Oct. 21, 2020, 8:19 a.m. This repo has been linked 34 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 1 month ago
82 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1111 different CVEs too.
Profile Photo
xiaoZ-hc/redtool

日常积累的一些红队工具及自己写的脚本，更偏向于一些diy的好用的工具，并不是一些比较常用的msf/awvs/xray这种

Python Shell HTML JavaScript

Updated: 1 week, 5 days ago
1344 stars 267 fork 267 watcher
Born at : Aug. 25, 2020, 4:26 a.m. This repo has been linked 34 different CVEs too.
Profile Photo
hasee2018/Safety-net-information

None

Updated: 3 years, 9 months ago
1 stars 2 fork 2 watcher
Born at : Aug. 22, 2020, 7:40 a.m. This repo has been linked 34 different CVEs too.
Profile Photo
wateroot/poc-exp

python-poc

Python Ruby C PHP C++ Assembly HTML VBScript Java Shell

Updated: 3 years ago
0 stars 2 fork 2 watcher
Born at : June 28, 2020, 9:36 a.m. This repo has been linked 22 different CVEs too.
Profile Photo
xbl3/awesome-cve-poc_qazbnm456

None

Updated: 1 month, 1 week ago
13 stars 4 fork 4 watcher
Born at : May 25, 2020, 7:51 a.m. This repo has been linked 1027 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-2018-8420 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-8420 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
  • Initial Analysis by [email protected]

    Nov. 19, 2018

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securitytracker.com/id/1041627 No Types Assigned http://www.securitytracker.com/id/1041627 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securityfocus.com/bid/105259 No Types Assigned http://www.securityfocus.com/bid/105259 Third Party Advisory, VDB Entry
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8420 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8420 Patch, Vendor Advisory
    Added CWE CWE-611
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:rt:*:*:* *cpe:2.3:o:microsoft:windows_server:2008:r2:sp1:*:*:*:itanium:* *cpe:2.3:o:microsoft:windows_server:2008:r2:sp1:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server:2008:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server:2012:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server:2012:r2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server:2016:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server:2016:1709:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server:2016:1803:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 13, 2018

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1041627 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/105259 [No Types Assigned]
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-2018-8420 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-2018-8420 weaknesses.

Exploit Prediction

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

16.20 }} 3.76%

score

0.96078

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: