Known Exploited Vulnerability
7.8
HIGH
CVE-2019-0841
Microsoft Windows AppX Deployment Service (AppXSVC - [Actively Exploited]
Description

An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836.

INFO

Published Date :

April 9, 2019, 9:29 p.m.

Last Modified :

March 20, 2023, 6:09 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

A privilege escalation vulnerability exists when Windows AppXSVC improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context.

Required Action :

Apply updates per vendor instructions.

Public PoC/Exploit Available at Github

CVE-2019-0841 has a 51 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-2019-0841 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_server_2016
2 Microsoft windows_server_2019
3 Microsoft windows_server
4 Microsoft windows_10_1809
5 Microsoft windows
6 Microsoft windows_10_1703
7 Microsoft windows_10_1709
8 Microsoft windows_10_1803
: 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-2019-0841.

URL Resource
http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841 Patch Vendor Advisory
https://www.exploit-db.com/exploits/46683/ Exploit Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-360/ Third Party Advisory VDB Entry

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
AIM-Intelligence/auto-aim

None

Python

Updated: 2 weeks ago
1 stars 0 fork 0 watcher
Born at : Sept. 5, 2024, 4:48 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
comgongi/auto-aim

AUTO-AIM - automated red teaming with extremely high success rate on all models.

Python

Updated: 2 weeks, 5 days ago
3 stars 0 fork 0 watcher
Born at : Aug. 30, 2024, 7:55 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
kdandy/WinPwn

Automation for internal Windows Penetrationtest / AD-Security

adsecurity automation exploitation pentest-tool pentesting powershell recon redteam

Shell PowerShell

Updated: 6 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : March 1, 2024, 4:54 p.m. This repo has been linked 12 different CVEs too.
Profile Photo
txuswashere/Pentesting-Windows

Pentesting Windows

pentest pentest-scripts pentest-tools pentesting pentesting-tools pentesting-windows

Updated: 1 month ago
3 stars 2 fork 2 watcher
Born at : Feb. 27, 2024, 9:32 a.m. This repo has been linked 6 different CVEs too.
Profile Photo
mikepitts25/watson

None

C#

Updated: 11 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Sept. 26, 2023, 8:54 p.m. This repo has been linked 6 different CVEs too.
Profile Photo
emtee40/win-pwn

None

Shell PowerShell

Updated: 11 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Sept. 24, 2023, 1:28 a.m. This repo has been linked 12 different CVEs too.
Profile Photo
CVEDB/awesome-cve-repo

None

Shell

Updated: 1 week, 4 days ago
3 stars 2 fork 2 watcher
Born at : March 23, 2023, 4:32 a.m. This repo has been linked 435 different CVEs too.
Profile Photo
CVEDB/top

None

Shell

Updated: 1 week, 4 days ago
1 stars 0 fork 0 watcher
Born at : March 19, 2023, 1:53 a.m. This repo has been linked 265 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
index-login/watson

None

C#

Updated: 1 year, 9 months ago
0 stars 0 fork 0 watcher
Born at : Dec. 7, 2022, 9:49 a.m. This repo has been linked 6 different CVEs too.
Profile Photo
weeka10/-hktalent-TOP

None

Shell

Updated: 1 year, 6 months ago
2 stars 0 fork 0 watcher
Born at : Nov. 16, 2022, 9:38 a.m. This repo has been linked 256 different CVEs too.
Profile Photo
cyberanand1337x/bug-bounty-2022

None

Updated: 1 year, 8 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 30, 2022, 6:29 p.m. This repo has been linked 253 different CVEs too.
Profile Photo
rnbochsr/Relevant

TryHackMe.com's Relevant room. A Penetration Testing Challenge.

Python

Updated: 1 year, 11 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 11, 2022, 7:54 p.m. This repo has been linked 10 different CVEs too.
Profile Photo
jbmihoub/all-poc

None

Shell

Updated: 1 month, 1 week ago
1 stars 1 fork 1 watcher
Born at : Aug. 25, 2022, 12:16 a.m. This repo has been linked 250 different CVEs too.
Profile Photo
hack-parthsharma/WinPwn

None

Shell PowerShell

Updated: 2 years, 2 months ago
3 stars 0 fork 0 watcher
Born at : July 13, 2022, 2:22 a.m. This repo has been linked 12 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-2019-0841 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-0841 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
  • Modified Analysis by [email protected]

    Mar. 20, 2023

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html Third Party Advisory http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-19-360/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-19-360/ Third Party Advisory, VDB Entry
    Changed CPE Configuration OR *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_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* OR *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_10_1809:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-264 CWE-59
  • CVE Modified by [email protected]

    Jul. 15, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 07, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 29, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 24, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 15, 2019

    Action Type Old Value New Value
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-19-360/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 10, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.exploit-db.com/exploits/46683/ No Types Assigned https://www.exploit-db.com/exploits/46683/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html Third Party Advisory
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841 Patch, Vendor Advisory
    Added CWE CWE-264
    Added CPE Configuration OR *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_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 10, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 10, 2019

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/46683/ [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-2019-0841 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-2019-0841 weaknesses.

Exploit Prediction

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

86.55 }} -0.15%

score

0.98532

percentile

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