CVE-2020-26941
ESET Installer Symlink File Overwrite Vulnerability
Description
A local (authenticated) low-privileged user can exploit a behavior in an ESET installer to achieve arbitrary file overwrite (deletion) of any file via a symlink, due to insecure permissions. The possibility of exploiting this vulnerability is limited and can only take place during the installation phase of ESET products. Furthermore, exploitation can only succeed when Self-Defense is disabled. Affected products are: ESET NOD32 Antivirus, ESET Internet Security, ESET Smart Security, ESET Smart Security Premium versions 13.2 and lower; ESET Endpoint Antivirus, ESET Endpoint Security, ESET NOD32 Antivirus Business Edition, ESET Smart Security Business Edition versions 7.3 and lower; ESET File Security for Microsoft Windows Server, ESET Mail Security for Microsoft Exchange Server, ESET Mail Security for IBM Domino, ESET Security for Kerio, ESET Security for Microsoft SharePoint Server versions 7.2 and lower.
INFO
Published Date :
Jan. 26, 2021, 6:15 p.m.
Last Modified :
Feb. 2, 2021, 6:34 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2020-26941
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.
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-2020-26941.
| URL | Resource |
|---|---|
| https://support.eset.com/en/ca7794-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows | 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-2020-26941 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-26941 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]
Feb. 02, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://support.eset.com/en/ca7794-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows No Types Assigned https://support.eset.com/en/ca7794-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows Vendor Advisory Added CWE NIST CWE-276 Added CPE Configuration OR *cpe:2.3:a:eset:endpoint_antivirus:*:*:*:*:*:-:*:* versions up to (including) 7.3 *cpe:2.3:a:eset:endpoint_security:*:*:*:*:*:*:*:* versions up to (including) 7.3 *cpe:2.3:a:eset:file_security:*:*:*:*:*:windows_server:*:* versions up to (including) 7.2 *cpe:2.3:a:eset:internet_security:*:*:*:*:*:*:*:* versions up to (including) 13.2 *cpe:2.3:a:eset:internet_security:1294:*:*:*:*:*:*:* *cpe:2.3:a:eset:mail_security:*:*:*:*:*:domino:*:* versions up to (including) 7.2 *cpe:2.3:a:eset:mail_security:*:*:*:*:*:exchange_server:*:* versions up to (including) 7.2 *cpe:2.3:a:eset:nod32_antivirus:*:*:*:*:business:*:*:* versions up to (including) 7.3 *cpe:2.3:a:eset:nod32_antivirus:*:*:*:*:*:-:*:* versions up to (including) 13.2 *cpe:2.3:a:eset:security:*:*:*:*:*:kerio:*:* versions up to (including) 7.2 *cpe:2.3:a:eset:security:*:*:*:*:*:sharepoint_server:*:* versions up to (including) 7.2 *cpe:2.3:a:eset:smart_security:*:*:*:*:business:*:*:* versions up to (including) 7.3 *cpe:2.3:a:eset:smart_security:*:*:*:*:-:*:*:* versions up to (including) 13.2 *cpe:2.3:a:eset:smart_security:*:*:*:*:premium:*:*:* versions up to (including) 13.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-26941 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-2020-26941
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
0.10264
percentile