Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-11446

Severity CVSS v4.0:
Pending analysis
Type:
CWE-59 Link Following
Publication date:
29/04/2020
Last modified:
21/07/2021

Description

ESET Antivirus and Antispyware Module module 1553 through 1560 allows a user with limited access rights to create hard links in some ESET directories and then force the product to write through these links into files that would normally not be write-able by the user, thus achieving privilege escalation.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
4.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:eset:antivirus_and_antispyware:*:*:*:*:*:*:*:* 1553 (including) 1560 (including)
cpe:2.3:a:eset:endpoint_antivirus:-:*:*:*:*:-:*:*
cpe:2.3:a:eset:endpoint_security:-:*:*:*:*:*:*:*
cpe:2.3:a:eset:file_security:-:*:*:*:*:windows_server:*:*
cpe:2.3:a:eset:internet_security:-:*:*:*:*:*:*:*
cpe:2.3:a:eset:mail_security:-:*:*:*:*:domino:*:*
cpe:2.3:a:eset:mail_security:-:*:*:*:*:exchange_server:*:*
cpe:2.3:a:eset:mail_security:-:*:*:*:*:kerio:*:*
cpe:2.3:a:eset:mail_security:-:*:*:*:*:sharepoint_server:*:*
cpe:2.3:a:eset:nod32_antivirus:-:*:*:*:*:*:*:*
cpe:2.3:a:eset:nod32_antivirus:-:*:*:*:business:*:*:*
cpe:2.3:a:eset:smart_security:-:*:*:*:-:*:*:*
cpe:2.3:a:eset:smart_security:-:*:*:*:business:*:*:*
cpe:2.3:a:eset:smart_security:-:*:*:*:premium:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools