Vulnerability Details : CVE-2020-26941
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.
Products affected by CVE-2020-26941
- cpe:2.3:a:eset:nod32_antivirus:*:*:*:*:business:*:*:*
- cpe:2.3:a:eset:nod32_antivirus:*:*:*:*:*:-:*:*
- cpe:2.3:a:eset:smart_security:*:*:*:*:business:*:*:*
- cpe:2.3:a:eset:smart_security:*:*:*:*:premium:*:*:*
- cpe:2.3:a:eset:smart_security:*:*:*:*:-:*:*:*
- cpe:2.3:a:eset:endpoint_security:*:*:*:*:*:*:*:*
- cpe:2.3:a:eset:endpoint_antivirus:*:*:*:*:*:-:*:*
- cpe:2.3:a:eset:internet_security:*:*:*:*:*:*:*:*
- cpe:2.3:a:eset:internet_security:1294:*:*:*:*:*:*:*
- cpe:2.3:a:eset:file_security:*:*:*:*:*:windows_server:*:*
- cpe:2.3:a:eset:mail_security:*:*:*:*:*:domino:*:*
- cpe:2.3:a:eset:mail_security:*:*:*:*:*:exchange_server:*:*
- cpe:2.3:a:eset:security:*:*:*:*:*:kerio:*:*
- cpe:2.3:a:eset:security:*:*:*:*:*:sharepoint_server:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-26941
0.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-26941
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.6
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:P |
3.9
|
4.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-26941
-
During installation, installed file permissions are set to allow anyone to modify those files.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-26941
-
https://support.eset.com/en/ca7794-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows
[CA7794] Local privilege escalation vulnerability fixed in ESET products for WindowsVendor Advisory
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