Prior to SEE v11.1.3MP1, Symantec Endpoint Encryption can be susceptible to a denial of service (DoS) attack, which is a type of attack whereby the perpetrator attempts to make a particular machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a specific host within a network.
Conclusion & alert: CVE-2017-15525 is rated Low Risk (24.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.27%). 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 | 2026-06-20 | 0.17% | 0.27% | +0.10% |
| 2 | 2025-03-17 | 0.04% | 0.17% | +0.12% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.5 | 3.0 | MEDIUM |
|
0.9 | 3.6 | [email protected] |
| 5.5 | 2.0 | MEDIUM |
|
5.1 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| symantec | endpoint_encryption | <= 11.1.3 | cpe:2.3:a:symantec:endpoint_encryption:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/101697 | Third Party Advisory VDB Entry |
| https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20171113_00 | Vendor Advisory |