CSRF in Trend Micro Interscan Web Security Virtual Appliance

CVE-2020-8465

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an attacker to manipulate system updates using a combination of CSRF bypass (CVE-2020-8461) and authentication bypass (CVE-2020-8464) to execute code as user root.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-8465: held from 0.026 to 0.027.

EPSS over last 30 days · oldest: 0.026 · newest: 0.027 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-8465?
CVE-2020-8465 is a critical-severity vulnerability in Trend Micro Interscan Web Security Virtual Appliance, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-12-17.
How severe is CVE-2020-8465?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-8465 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.