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
Published Dec 17, 2020
9.8
CRITICALCVSS 3.1
EPSS 2.69%
Description
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.
Affected products
-
- Version 6.5 SP2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Trend Micro | Trend Micro InterScan Web Security Virtual Appliance | n/a |
|
- 6.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.69% (0.02685) | 85.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.57% (0.02574) | 83.10th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.30% (0.00296) | 69.64th | v3 (v2023.03.01) |
| Apr 21, 2024 | 0.30% (0.00296) | 69.06th | v3 (v2023.03.01) |
| Nov 23, 2023 | 0.19% (0.00195) | 57.32th | v3 (v2023.03.01) |
| Nov 9, 2023 | 0.18% (0.00185) | 55.60th | v3 (v2023.03.01) |
| Sep 2, 2023 | 0.13% (0.00133) | 47.71th | v3 (v2023.03.01) |
| Jul 24, 2023 | 0.12% (0.00124) | 46.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00104) | 40.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.44% (0.01440) | 73.47th | v2 (v2022.01.01) |
| Feb 28, 2023 | 1.44% (0.01440) | 73.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.44% (0.01440) | 71.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 19.46% (0.19462) | 93.87th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.01% (0.05015) | 78.60th | v1 |
| Jan 6, 2022 | 5.01% (0.05015) | 78.38th | v1 |
| Sep 1, 2021 | 1.16% (0.01163) | 67.05th | v1 |
| Apr 14, 2021 | 1.16% (0.01163) | 0.00th | v1 |
References (2)
- https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-trend-micro-interscan-web-security-virtual-appliance/ x_refsource_MISCExploitThird Party Advisory
- https://success.trendmicro.com/solution/000283077 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-trend-micro-interscan-web-security-virtual-appliance/ | x_refsource_MISCExploitThird Party Advisory | |
| https://success.trendmicro.com/solution/000283077 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.