Prior to v 7.6, the Install Norton Security (INS) product can be susceptible to a certificate spoofing vulnerability, which is a type of attack whereby a maliciously procured certificate binds the public key of an attacker to the domain name of the target.
Conclusion & alert: CVE-2017-15528 is rated Low Risk (33.8/100): CVSS Low severity, with medium exploitation likelihood (EPSS 0.20%). 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 | 2023-03-07 | 0.95% | 0.20% | -0.75% |
| 2 | 2022-02-04 | 0.83% | 0.95% | +0.12% |
| 3 | 2021-04-14 | — | 0.83% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.7 | 3.1 | LOW |
|
2.2 | 1.4 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| norton | install_norton_security | < 7.6 | cpe:2.3:a:norton:install_norton_security:*:*:*:*:*:macos:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/101796 | Third Party Advisory VDB Entry |
| https://www.info-sec.ca/advisories/Norton-Security.html | Third Party Advisory |
| https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20171121_00 | Vendor Advisory |