CVE-2025-53378
CVE-2025-53378 is a high-severity vulnerability in Trendmicro Worry-free Business Security Services with a CVSS 3.x base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.
Key facts
- Severity: High (CVSS 3.x base score 7.6)
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-21042
- Weakness: CWE-306
- Affected product: Trendmicro Worry-free Business Security Services
- Published:
- Last modified:
Description
A missing authentication vulnerability in Trend Micro Worry-Free Business Security Services (WFBSS) agent could have allowed an unauthenticated attacker to remotely take control of the agent on affected installations. Also note: this vulnerability only affected the SaaS client version of WFBSS only, meaning the on-premise version of Worry-Free Business Security was not affected, and this issue was addressed in a WFBSS monthly maintenance update. Therefore no other customer action is required to mitigate if the WFBSS agents are on the regular SaaS maintenance deployment schedule and this disclosure is for informational purposes only.
Frequently asked questions
- What is CVE-2025-53378?
- A missing authentication vulnerability in Trend Micro Worry-Free Business Security Services (WFBSS) agent could have allowed an unauthenticated attacker to remotely take control of the agent on affected installations. Also note: this vulnerability only affected the SaaS client version of WFBSS only, meaning the on-premise version of Worry-Free Business Security was not affected, and this issue was addressed in a WFBSS monthly maintenance update. Therefore no other customer action is required to mitigate if the WFBSS agents are on the regular SaaS maintenance deployment schedule and this disclosure is for informational purposes only.
- How severe is CVE-2025-53378?
- CVE-2025-53378 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability high.
- Is CVE-2025-53378 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-53378?
- CVE-2025-53378 affects Trendmicro Worry-free Business Security Services. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-53378?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-53378 have an EU (EUVD) identifier?
- Yes. CVE-2025-53378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21042.
- When was CVE-2025-53378 published?
- CVE-2025-53378 was published on 2025-07-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:trendmicro:worry-free_business_security_services:*:*:*:*:saas:*:*:*
More vulnerabilities in Trendmicro Worry-free Business Security Services
- CVE-2025-49154 — High (CVSS 8.7): An insecure access control vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security could…
- CVE-2022-36336 — High (CVSS 7.8): A link following vulnerability in the scanning function of Trend Micro Apex One and Worry-Free Business Security agents…
- CVE-2022-24680 — High (CVSS 7.8): A security link following local privilege escalation vulnerability in Trend Micro Apex One, Trend Micro Apex One as a…
- CVE-2022-24679 — High (CVSS 7.8): A security link following local privilege escalation vulnerability in Trend Micro Apex One, Trend Micro Apex One as a…
- CVE-2021-45441 — High (CVSS 7.8): A origin validation error vulnerability in Trend Micro Apex One (on-prem and SaaS) could allow a local attacker drop…
- CVE-2021-45440 — High (CVSS 7.8): A unnecessary privilege vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security 10.0 SP1…
All CVEs affecting Trendmicro Worry-free Business Security Services →
Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities
- CVE-2026-54309 — Critical (CVSS 10.0): n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP…
- CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
- CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
- CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
- CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
- CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…
Browse all CWE-306 (Missing Authentication for Critical Function) vulnerabilities →