CVE-2020-8468
HighExploitedPublic exploitTrend Micro Apex One (2019), OfficeScan XG and Worry-Free Business Security (9.0, 9.5, 10.0) agents are affected by a content validation escape vulnerability which could allow an attacker to manipulate certain agent client components.
Published Mar 17, 2020 · Updated Oct 31, 2025
Key Facts
Patch immediately- CVE-2020-8468 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Apex One (Trendmicro), Officescan (Trendmicro), Worry-Free Business Security (Trendmicro) and 1 more product.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 16, 2020. Public exploit code is available.
- EPSS estimates a 6.2% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
6.2%
Higher than 93.3% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Trend Micro Apex One (2019), OfficeScan XG and Worry-Free Business Security (9.0, 9.5, 10.0) agents are affected by a content validation escape vulnerability which could allow an attacker to manipulate certain agent client components. An attempted attack requires user authentication.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Mar 16, 2020 | May 3, 2022 | Not reported |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Apex OneTrendmicro | 2019 | n/a |
| OfficescanTrendmicro | xg, xg-sp1 | n/a |
| Worry-Free Business SecurityTrendmicro | 10.0, 10.0-sp1, 9.0-sp3, 9.5 | n/a |
| Trend Micro OfficeScan, Trend Micro Apex One, Trend Micro Worry-Free Business Security (WFBS) | >= OfficeScan XG (12.0), Apex One 2019 (14.0), WFBS 9.0, 9.5 and 10.0 | n/a |
Timeline
Added to Industry KEV feed
Mar 16, 2020
Publicly disclosed
Mar 17, 2020
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Oct 31, 2025
Weakness Type
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
References
- patchhttps://success.trendmicro.com/jp/solution/000244253
- patchhttps://success.trendmicro.com/jp/solution/000244836
- patchhttps://success.trendmicro.com/solution/000245571
- patchhttps://success.trendmicro.com/solution/000245572
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Trend Micro Apex One (2019), OfficeScan XG and Worry-Free Business Security (9.0, 9.5, 10.0) agents are affected by a content validation escape vulnerability which could allow an attacker to manipulate certain agent client components.
Affected: Apex One (Trendmicro) versions 2019; Officescan (Trendmicro) versions xg, xg-sp1; Worry-Free Business Security (Trendmicro) versions 10.0, 10.0-sp1, 9.0-sp3, 9.5, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 16, 2020.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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