An out-of-bounds read information disclosure vulnerabilities in Trend Micro Apex One may allow a local attacker to disclose sensitive information to an unprivileged account on vulnerable installations of the product. An attacker must first obtain the ability to execute low-privileged code on the target in order to exploit these vulnerabilities. The subs affected in this vulnerability makes it unique compared to similar CVEs such as CVE-2020-24564 and CVE-2020-25771.
Conclusion & alert: CVE-2020-25770 is rated Moderate Risk (46.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.33%). Core evidence: EPSS rose +1.22% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
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 | 0.11% | 1.33% | +1.22% |
| 2 | 2025-03-30 | 0.22% | 0.11% | -0.10% |
| 3 | 2025-03-29 | — | 0.22% | — |
Full EPSS history (9 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 | apex_one | 2019 | cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:* |
| trendmicro | apex_one | saas | cpe:2.3:a:trendmicro:apex_one:saas:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://success.trendmicro.com/solution/000271974 | Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-20-1221/ | Third Party Advisory VDB Entry |