A Man-in-the-Middle issue was discovered in General Motors (GM) and Shanghai OnStar (SOS) SOS iOS Client 7.1. Successful exploitation of this vulnerability may allow an attacker to intercept sensitive information when the client connects to the server.
Conclusion & alert: CVE-2017-12697 is rated Moderate Risk (41.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.28%). 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 | 2026-04-20 | 0.20% | 0.28% | +0.09% |
| 2 | 2025-03-17 | 0.12% | 0.20% | +0.08% |
| 3 | 2023-03-07 | — | 0.12% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.9 | 3.0 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gm | shanghai_onstar | 7.1 | cpe:2.3:a:gm:shanghai_onstar:7.1:*:*:*:*:iphone_os:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/102481 | Third Party Advisory VDB Entry |
| https://ics-cert.us-cert.gov/advisories/ICSA-17-234-04 | Mitigation Third Party Advisory US Government Resource |