PT-2020-5819 · Trend Micro · Trend Micro Interscan Web Security Virtual Appliance

Published 2020-11-18 · Updated 2020-12-09 · CVE-2020-28578

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Trend Micro InterScan Web Security Virtual Appliance version 6.5 SP2

Description: A vulnerability in Trend Micro InterScan Web Security Virtual Appliance could allow an unauthenticated, remote attacker to send a specially crafted HTTP message and achieve remote code execution with elevated privileges. The issue is related to a buffer overflow in memory, which can be exploited by a remote attacker to execute arbitrary code.

Recommendations: For Trend Micro InterScan Web Security Virtual Appliance version 6.5 SP2, consider restricting access to the appliance until a patch is available. As a temporary workaround, disabling the HTTP service or restricting the ability to send specially crafted HTTP messages may help minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2021-01788

CVE-2020-28578

Affected Products

Trend Micro Interscan Web Security Virtual Appliance

References · 9

• 🔥 https://tenable.com/security/research/tra-2020-63 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-28578 · Security Note
• https://success.trendmicro.com/solution/000281954 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-28578 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01788 · Security Note
• https://t.me/cibsecurity/16553 · Telegram Post
• https://t.me/cibsecurity/17387 · Telegram Post
• https://cxsecurity.com/cveshow/CVE-2020-28578 · Note
• https://t.me/cvenotify/6323 · Telegram Post