CVE-2021-45338
Avast Antivirus Privilege Escalation Vulnerability
Description
Multiple privilege escalation vulnerabilities in Avast Antivirus prior to 20.4 allow a local user to gain elevated privileges by calling unnecessarily powerful internal methods of the main antivirus service which could lead to the (1) arbitrary file delete, (2) write and (3) reset security.
INFO
Published Date :
Dec. 27, 2021, 2:15 p.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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-2021-45338.
| URL | Resource |
|---|---|
| https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.1 | Exploit Third Party Advisory |
| https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.2 | Exploit Third Party Advisory |
| https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.3 | Exploit Third Party Advisory |
| https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0 | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-45338 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-45338 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 -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-269 NVD-CWE-Other -
Initial Analysis by [email protected]
Jan. 07, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.1 No Types Assigned https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.1 Exploit, Third Party Advisory Changed Reference Type https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.2 No Types Assigned https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.2 Exploit, Third Party Advisory Changed Reference Type https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.3 No Types Assigned https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.3 Exploit, Third Party Advisory Changed Reference Type https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0 No Types Assigned https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0 Vendor Advisory Added CWE NIST CWE-269 Added CPE Configuration OR *cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:* versions up to (excluding) 20.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-45338 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-2021-45338
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.07828
percentile