#VU28301 Command Injection in InterScan Web Security Virtual Appliance (IWSVA) - CVE-2020-8605

Vulnerability identifier: #VU28301

Vulnerability risk: Medium

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2020-8605

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
InterScan Web Security Virtual Appliance (IWSVA)
Server applications / Server solutions for antivurus protection

Vendor: Trend Micro

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the system.

The vulnerability exists due to improper input validation in the "mount_device" parameter within the "LogSettingHandler" class. A remote authenticated attacker can execute arbitrary commands on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

InterScan Web Security Virtual Appliance (IWSVA): 6.5

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External links
https://success.trendmicro.com/solution/000253095
https://www.zerodayinitiative.com/advisories/ZDI-20-676/

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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. However, a fully functional exploit for this vulnerability is available.