Multiple vulnerabilities in McAfee Endpoint Security (ENS)



Published: 2021-02-16
Risk Low
Patch available NO
Number of vulnerabilities 5
CVE ID CVE-2021-23880
CVE-2021-23878
CVE-2021-23882
CVE-2021-23883
CVE-2021-23881
CWE ID CWE-269
CWE-312
CWE-476
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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McAfee Endpoint Security (ENS)
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor

Security Advisory

1) Improper Privilege Management

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-23880

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management. A local administrator can perform an uninstallation of the anti-malware engine via the running of a specific command with the correct parameters.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

McAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update, 10.7.0 February 2021 Update

CPE External links

https://kc.mcafee.com/corporate/index?page=content&id=SB10345

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cleartext storage of sensitive information

Risk: Low

CVSSv3.1: 4.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-23878

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to clear text storage of sensitive Information in memory. A local user can view ENS settings and credentials.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

McAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update, 10.7.0 February 2021 Update

CPE External links

https://kc.mcafee.com/corporate/index?page=content&id=SB10345

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper Privilege Management

Risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-23882

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges.

The vulnerability exists due to improper privilege management. A remote administrator can prevent the installation of some ENS files by placing carefully crafted files where ENS will be installed.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

McAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update, 10.7.0 February 2021 Update

CPE External links

https://kc.mcafee.com/corporate/index?page=content&id=SB10345

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) NULL pointer dereference

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-23883

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A local administrator can trigger denial of service conditions via a specific system call which is not handled correctly.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

Vulnerable software versions

McAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update, 10.7.0 February 2021 Update

CPE External links

https://kc.mcafee.com/corporate/index?page=content&id=SB10345

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Stored cross-site scripting

Risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-23881

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in ePO extension. A remote authenticated attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

McAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update, 10.7.0 February 2021 Update

CPE External links

https://kc.mcafee.com/corporate/index?page=content&id=SB10345

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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