McAfee Endpoint Security up to 10.7.0 on Windows Authentication McTray.exe authentication bypass

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.
5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in McAfee Endpoint Security up to 10.7.0 on Windows. This issue affects some unknown processing of the file McTray.exe of the component Authentication. Performing a manipulation results in authentication bypass. This vulnerability is known as CVE-2020-7323. Attacking locally is a requirement. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in McAfee Endpoint Security up to 10.7.0 on Windows. This affects some unknown processing of the file McTray.exe of the component Authentication. The manipulation with an unknown input leads to a authentication bypass vulnerability. CWE is classifying the issue as CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Authentication Protection Bypass vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2020 Update allows physical local users to bypass the Windows lock screen via triggering certain detection events while the computer screen is locked and the McTray.exe is running with elevated privileges. This issue is timing dependent and requires physical access to the machine.

The weakness was published 09/09/2020 (Website). It is possible to read the advisory at kc.mcafee.com. This vulnerability is uniquely identified as CVE-2020-7323 since 01/21/2020. The exploitability is told to be difficult. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

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

Similar entries are available at VDB-161052, VDB-161053 and VDB-161054. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 10.7.0 September 2020 Update

Timelineinfo

01/21/2020 🔍
09/09/2020 +232 days 🔍
09/09/2020 +0 days 🔍
09/09/2020 +0 days 🔍

Sourcesinfo

Vendor: mcafee.com

Advisory: kc.mcafee.com
Status: Not defined

CVE: CVE-2020-7323 (🔍)
GCVE (CVE): GCVE-0-2020-7323
GCVE (VulDB): GCVE-100-161055
See also: 🔍

Entryinfo

Created: 09/09/2020 21:38
Updated: 09/09/2020 21:43
Changes: 09/09/2020 21:38 (43), 09/09/2020 21:43 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!