Multiple vulnerabilities in McAfee Endpoint Security (ENS)
| 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 |
McAfee Endpoint Security (ENS) Client/Desktop applications / Antivirus software/Personal firewalls |
| Vendor | McAfee |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Improper Privilege Management
EUVDB-ID: #VU50728
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]
CVE-ID: CVE-2021-23880
CWE-ID:
CWE-269 - Improper Privilege Management
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMcAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update
CPE2.3 External linkshttp://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
EUVDB-ID: #VU50732
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]
CVE-ID: CVE-2021-23878
CWE-ID:
CWE-312 - Cleartext Storage of Sensitive Information
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMcAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update
CPE2.3 External linkshttp://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
EUVDB-ID: #VU50731
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]
CVE-ID: CVE-2021-23882
CWE-ID:
CWE-269 - Improper Privilege Management
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMcAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update
CPE2.3 External linkshttp://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
EUVDB-ID: #VU50730
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
DescriptionThe 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.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability..
Vulnerable software versionsMcAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update
CPE2.3 External linkshttp://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
EUVDB-ID: #VU50729
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]
CVE-ID: CVE-2021-23881
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMcAfee Endpoint Security (ENS): before 10.6.1 February 2021 Update
CPE2.3 External linkshttp://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.
