CVE-2020-7257
McAfee Endpoint Security (ENS) Symbolic Link Injection Privilege Escalation
Description
Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent.
INFO
Published Date :
April 15, 2020, 12:15 p.m.
Last Modified :
Nov. 7, 2023, 3:25 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.8
Exploitability Score :
2.0
Public PoC/Exploit Available at Github
CVE-2020-7257 has a 2 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-2020-7257.
| URL | Resource |
|---|---|
| https://kc.mcafee.com/corporate/index?page=content&id=SB10309 |
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).
A windows kernel driver to Block symbolic link exploit used for privilege escalation.
symlink exploitation protection kernel-driver
C
POC for arbitary file deletion using Symlink(Symbolic links) issue present in many Antivirus software
cve-2020-7257 symbolic-links symlink antivirus
C++ C Batchfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-7257 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-7257 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 -
CVE Source Update by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Source McAfee (DEFUNCT) Trellix -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Trellix https://kc.mcafee.com/corporate/index?page=content&id=SB10309 [No types assigned] Removed Reference McAfee (DEFUNCT) https://kc.mcafee.com/corporate/index?page=content&id=SB10309 Added CWE Trellix CWE-264 Removed CWE McAfee (DEFUNCT) CWE-264 Removed CVSS V3.1 McAfee (DEFUNCT) AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H Added CVSS V3.1 Trellix AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H -
Initial Analysis by [email protected]
Apr. 17, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:N/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H Changed Reference Type https://kc.mcafee.com/corporate/index?page=content&id=SB10309 No Types Assigned https://kc.mcafee.com/corporate/index?page=content&id=SB10309 Vendor Advisory Added CWE NIST CWE-269 Added CPE Configuration OR *cpe:2.3:a:mcafee:endpoint_security:10.5.0:*:*:*:*:windows:*:* *cpe:2.3:a:mcafee:endpoint_security:10.5.1:*:*:*:*:windows:*:* *cpe:2.3:a:mcafee:endpoint_security:10.5.2:*:*:*:*:windows:*:* *cpe:2.3:a:mcafee:endpoint_security:10.5.3:*:*:*:*:windows:*:* *cpe:2.3:a:mcafee:endpoint_security:10.5.4:*:*:*:*:windows:*:* *cpe:2.3:a:mcafee:endpoint_security:10.5.5:*:*:*:*:windows:*:* *cpe:2.3:a:mcafee:endpoint_security:10.6.0:*:*:*:*:windows:*:* -
CVE Modified by [email protected]
Apr. 15, 2020
Action Type Old Value New Value Changed Description Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent. Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-7257 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-2020-7257
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
0.05635
percentile