VDB-153844 · CVE-2020-7257 · GCVE-0-2020-7257

McAfee Endpoint Security up to 10.7.0 on Windows Symbolic Links access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in McAfee Endpoint Security up to 10.7.0 on Windows. This impacts an unknown function of the component Symbolic Links. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2020-7257. The attack can only be executed locally. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in McAfee Endpoint Security up to 10.7.0 on Windows. It has been declared as problematic. This vulnerability affects an unknown code block of the component Symbolic Links. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was shared 04/15/2020 (Website). The advisory is shared for download at kc.mcafee.com. This vulnerability was named CVE-2020-7257 since 01/21/2020. The attack needs to be approached locally. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Applying the patch 10.7.0 February 2020 Update is able to eliminate this problem.

The entries VDB-153842, VDB-153843, VDB-153845 and VDB-153846 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

McAfee

Name

Endpoint Security

Version

License

commercial

Website

Vendor: https://www.mcafee.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.4
NVD Vector: 🔍

CNA Base Score: 8.4
CNA Vector (Trellix): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 10.7.0 February 2020 Update

Timelineinfo

01/21/2020 🔍
04/15/2020 +85 days 🔍
04/16/2020 +1 days 🔍
05/27/2024 +1502 days 🔍

Sourcesinfo

Vendor: mcafee.com

Advisory: kc.mcafee.com
Status: Not defined

CVE: CVE-2020-7257 (🔍)
GCVE (CVE): GCVE-0-2020-7257
GCVE (VulDB): GCVE-100-153844
See also: 🔍

Entryinfo

Created: 04/16/2020 14:49
Updated: 05/27/2024 14:27
Changes: 04/16/2020 14:49 (41), 04/16/2020 14:54 (11), 05/27/2024 14:27 (34)
Complete: 🔍
Cache ID: 216::103