Trend Micro Apex One/OfficeScan XG EXE File unrestricted upload

Summaryinfo

A vulnerability has been found in Trend Micro Apex One and OfficeScan XG and classified as critical. Affected is an unknown function. This manipulation as part of EXE File causes unrestricted upload. This vulnerability is tracked as CVE-2020-8599. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as very critical was found in Trend Micro Apex One and OfficeScan XG (Anti-Malware Software) (the affected version unknown). Affected by this vulnerability is an unknown part. The manipulation as part of a EXE File leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that could allow a remote attacker to write arbitrary data to an arbitrary path on affected installations and bypass ROOT login. Authentication is not required to exploit this vulnerability.

The weakness was disclosed 03/18/2020. This vulnerability is known as CVE-2020-8599 since 02/04/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/06/2025). MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 11/03/2021 with a due date of 05/03/2022:

Apply updates per vendor instructions.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-151773 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Anti-Malware Software

Vendor

• Trend Micro

Name

• Apex One
• OfficeScan XG

License

• commercial

Website

• Vendor: https://www.trendmicro.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion