A memory exhaustion vulnerability in Trend Micro ServerProtect for Linux 3.0 could allow a local attacker to craft specific files that can cause a denial-of-service on the affected product. The specific flaw exists within a manual scan component. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Conclusion & alert: CVE-2021-25224 is rated Low Risk (33.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.40%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.07% | 0.40% | +0.34% |
| 2 | 2025-01-20 | 0.04% | 0.07% | +0.02% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| trendmicro | serverprotect | 3.0 | cpe:2.3:a:trendmicro:serverprotect:3.0:*:*:*:*:linux:*:* |
| URL | Tags |
|---|---|
| https://success.trendmicro.com/solution/000284207 | Patch Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-21-085/ | Third Party Advisory VDB Entry |