Multiple vulnerabilities in Trend Micro Apex One and OfficeScan
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2021-25250 CVE-2021-25253 CVE-2021-28645 CVE-2021-28646 |
| CWE-ID | CWE-284 CWE-277 CWE-276 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Apex One Client/Desktop applications / Antivirus software/Personal firewalls OfficeScan Client/Desktop applications / Antivirus software/Personal firewalls |
| Vendor | Trend Micro |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Improper access control
EUVDB-ID: #VU51830
Risk: Low
CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-25250
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper access restrictions. A local user can bypass implemented security restrictions and escalate privileges on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsApex One: before CP 9204
OfficeScan: before XG SP1 CP 6046
CPE2.3 External linkshttps://success.trendmicro.com/solution/000286019
https://success.trendmicro.com/solution/000286157
https://www.zerodayinitiative.com/advisories/ZDI-21-400/
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) Improper access control
EUVDB-ID: #VU51831
Risk: Low
CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-25253
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper access restrictions. A local user can bypass implemented security restrictions and escalate privileges on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsApex One: before CP 9204
OfficeScan: before XG SP1 CP 6046
CPE2.3 External linkshttps://success.trendmicro.com/solution/000286019
https://success.trendmicro.com/solution/000286157
https://www.zerodayinitiative.com/advisories/ZDI-21-401/
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) Insecure Inherited Permissions
EUVDB-ID: #VU51832
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-28645
CWE-ID:
CWE-277 - Insecure inherited permissions
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect permissions assignment. A local user can escalate privileges on the system.
Install updates from vendor's website.
Vulnerable software versionsApex One: before CP 9204
OfficeScan: before XG SP1 CP 6046
CPE2.3 External linkshttps://success.trendmicro.com/solution/000286019
https://success.trendmicro.com/solution/000286157
https://www.zerodayinitiative.com/advisories/ZDI-21-402/
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.
4) Incorrect default permissions
EUVDB-ID: #VU51833
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-28646
CWE-ID:
CWE-276 - Incorrect Default Permissions
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user with access to the system can view contents of files and directories or modify them.
MitigationInstall updates from vendor's website.
Vulnerable software versionsApex One: before CP 9204
OfficeScan: before XG SP1 CP 6046
CPE2.3 External linkshttps://success.trendmicro.com/solution/000286019
https://success.trendmicro.com/solution/000286157
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.
