Known Exploited Vulnerability
7.8
HIGH
CVE-2021-1675
Microsoft Windows Print Spooler Remote Code Execut - [Actively Exploited]
Description

Windows Print Spooler Remote Code Execution Vulnerability

INFO

Published Date :

June 8, 2021, 11:15 p.m.

Last Modified :

Nov. 21, 2024, 5:44 a.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 :

Microsoft Windows Print Spooler contains an unspecified vulnerability that allows for remote code execution.

Required Action :

Apply updates per vendor instructions.

Notes :

https://nvd.nist.gov/vuln/detail/CVE-2021-1675

Public PoC/Exploit Available at Github

CVE-2021-1675 has a 257 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-2021-1675 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_2019
9 Microsoft windows_10_1607
10 Microsoft windows_10_1809
11 Microsoft windows_10_20h2
12 Microsoft windows_10_1507
13 Microsoft windows_10_21h1
14 Microsoft windows_10_1909
15 Microsoft windows_server_20h2
16 Microsoft windows_10_2004
17 Microsoft windows_server_2004
18 Microsoft windows_server_2012_r2
19 Microsoft windows_server_2008_r2
20 Microsoft windows_server_2008_sp2
: Total Affected Vendor : 1 | Products : 20
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-2021-1675.

URL Resource
http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html Exploit Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675 Patch Vendor Advisory
https://www.kb.cert.org/vuls/id/383432 Third Party Advisory US Government Resource
http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html Exploit Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675 Patch Vendor Advisory
https://www.kb.cert.org/vuls/id/383432 Third Party Advisory US Government Resource

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
fazilbaig1/oscp

oscp notes

Updated: 3 days ago
0 stars 0 fork 0 watcher
Born at : Dec. 9, 2024, 6:26 p.m. This repo has been linked 66 different CVEs too.
Profile Photo
HarshRajSinghania/smbvulnrecon

None

Python

Updated: 3 weeks, 5 days ago
0 stars 0 fork 0 watcher
Born at : Nov. 18, 2024, 9:33 a.m. This repo has been linked 5 different CVEs too.
Profile Photo
getanehAl/Windows-Penetration-Testing

None

PowerShell C#

Updated: 2 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 11, 2024, 6:07 a.m. This repo has been linked 28 different CVEs too.
Profile Photo
X-The-Mystic/xframe

None

Python Rust Makefile Shell C Assembly CSS JavaScript HTML Batchfile

Updated: 4 weeks ago
1 stars 0 fork 0 watcher
Born at : Oct. 8, 2024, 9:55 p.m. This repo has been linked 7 different CVEs too.
Profile Photo
Faizan-Khanx/OSCP

This repository is designed to provide a comprehensive collection of study materials, notes, and resources for the Offensive Security Certified Professional (OSCP) exam. It covers all key topics from basic to advanced, helping aspiring penetration testers to prepare efficiently for the exam.

cybersecurity hacking oscp oscp-guide oscp-journey oscp-prep

Updated: 1 month, 3 weeks ago
2 stars 0 fork 0 watcher
Born at : Oct. 4, 2024, 4:43 p.m. This repo has been linked 75 different CVEs too.
Profile Photo
nholuongut/active-directory-exploitation-cheat-sheet

This cheat sheet contains common enumeration and attack methods for Windows Active Directory.

Updated: 2 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Oct. 4, 2024, 3:45 a.m. This repo has been linked 10 different CVEs too.
Profile Photo
EnriqueSanchezdelVillar/NotesHck

None

Python C Shell PHP PowerShell ASP.NET

Updated: 2 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 1, 2024, 2:21 p.m. This repo has been linked 66 different CVEs too.
Profile Photo
adnan-kutay-yuksel/tryhackme-all-rooms-database

A comprehensive tool for categorizing TryHackMe rooms, including details such as difficulty, room type, subscription status, and much more, to enhance user experience in cybersecurity training.

Updated: 2 weeks, 3 days ago
1 stars 0 fork 0 watcher
Born at : Sept. 22, 2024, 1:03 p.m. This repo has been linked 16 different CVEs too.
Profile Photo
MinoTauro2020/PurpleTeam-ThreatHunting

Principales Ataques para desarrollar el servicio

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Sept. 3, 2024, 7:41 a.m. This repo has been linked 7 different CVEs too.
Profile Photo
TirthSharaf/Internal-Pentest-cheat-sheet

None

Updated: 4 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Aug. 13, 2024, 3:51 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
0housefly0/Printnightmare

None

Updated: 4 months, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : July 22, 2024, 12:40 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
ozzy76/cveCheck

None

JavaScript

Updated: 5 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : July 5, 2024, 5:47 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
Amar224/Active-Directory-Exploitation-Cheat-Sheet

None

Updated: 6 months ago
0 stars 0 fork 0 watcher
Born at : June 15, 2024, 9:30 p.m. This repo has been linked 10 different CVEs too.
Profile Photo
0xSs0rZ/Windows_Exploit

CVE-2021-1675/CVE-2021-34527 PrintNightmare & CVE-2020-0668

PowerShell

Updated: 6 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : June 5, 2024, 10:01 a.m. This repo has been linked 3 different CVEs too.
Profile Photo
mranv/adPentest

Windows Active DIrectory Pentesting documentation.

Updated: 1 month, 2 weeks ago
17 stars 3 fork 3 watcher
Born at : May 29, 2024, 8:53 a.m. This repo has been linked 10 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-2021-1675 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-1675 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 http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html
    Added Reference http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html
    Added Reference http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html
    Added Reference https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675
    Added Reference https://www.kb.cert.org/vuls/id/383432
  • Modified Analysis by [email protected]

    Jul. 29, 2024

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *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_2019:-:*:*:*:*:*:*:* OR *cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.10240.18967 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.4467 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.1999 *cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.18363.1621 *cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19041.1052 *cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19042.1052 *cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19043.1052 *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19041.1052 *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *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:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.4467 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.1999
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Aug. 08, 2023

    Action Type Old Value New Value
    Changed CWE CWE-269 NVD-CWE-Other
  • CVE Modified by [email protected]

    Aug. 01, 2023

    Action Type Old Value New Value
    Changed Description Windows Print Spooler Elevation of Privilege Vulnerability Windows Print Spooler Remote Code Execution Vulnerability
    Added CVSS V3.1 Microsoft Corporation AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Modified Analysis by [email protected]

    Jul. 02, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html No Types Assigned http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    May. 25, 2022

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jul. 07, 2021

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Removed CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html No Types Assigned http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html No Types Assigned http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Jul. 02, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html [No Types Assigned]
    Added Reference http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jul. 02, 2021

    Action Type Old Value New Value
    Changed Reference Type https://www.kb.cert.org/vuls/id/383432 No Types Assigned https://www.kb.cert.org/vuls/id/383432 Third Party Advisory, US Government Resource
    Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* OR *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *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_2019:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 02, 2021

    Action Type Old Value New Value
    Added Reference https://www.kb.cert.org/vuls/id/383432 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 10, 2021

    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:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675 Patch, Vendor Advisory
    Added CWE NIST CWE-269
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
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-2021-1675 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-2021-1675 weaknesses.

Exploit Prediction

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

96.68 }} -0.12%

score

0.99766

percentile

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