CVE-2021-38646
Microsoft Office Access Connectivity Engine Remote - [Actively Exploited]
Description
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
INFO
Published Date :
Sept. 15, 2021, 12:15 p.m.
Last Modified :
July 16, 2024, 5:50 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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.
Microsoft Office Access Connectivity Engine contains an unspecified vulnerability which can allow for remote code execution.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2021-38646 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-38646.
| URL | Resource |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38646 | 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).
None
C Python PowerShell Lua
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Awesome CSIRT is an curated list of links and resources in security and CSIRT daily activities.
security csirt awesome awesome-list malware-analysis threat-intelligence pentesting exfiltration secure-programming cve poc reverse-engineering exploits
Python C Lua PowerShell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-38646 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-38646 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.
-
Modified Analysis by [email protected]
Jul. 16, 2024
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:* *cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:* *cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:* *cpe:2.3:a:microsoft:office:2016:*:-:*:-:*:-:* *cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:* *cpe:2.3:a:microsoft:office:2013:sp1:*:*:-:*:*:* *cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:* *cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Dec. 28, 2023
Action Type Old Value New Value Added CVSS V3.1 Microsoft Corporation AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H -
CWE Remap by [email protected]
Aug. 08, 2023
Action Type Old Value New Value Changed CWE CWE-119 CWE-787 NVD-CWE-noinfo -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE NVD-CWE-noinfo CWE-119 CWE-787 -
Initial Analysis by [email protected]
Sep. 24, 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-2021-38646 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38646 Patch, Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:* *cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:* *cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:* *cpe:2.3:a:microsoft:office:2016:*:-:*:-:*:-:* *cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-38646 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-2021-38646
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
43.86 }} 10.82%
score
0.97477
percentile