The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded API key, used to communicate with the MobileIron SaaS discovery API, as demonstrated by Mobile@Work (aka com.mobileiron). The key is in com/mobileiron/registration/RegisterActivity.java and can be used for api/v1/gateway/customers/servers requests. NOTE: Vendor states that this is an opt-in feature to the product - it is not enabled by default and customers cannot enable it without an explicit email to support. At this time, they do not plan change to make any changes to this feature.
Conclusion & alert: CVE-2020-35137 is rated High Exploit Risk (71.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.56%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.11% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.45% | 1.56% | +1.11% |
| 2 | 2025-11-21 | 0.35% | 0.45% | +0.10% |
| 3 | 2025-11-18 | — | 0.35% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mobileiron | mobile\@work | <= 2021-03-22 | cpe:2.3:a:mobileiron:mobile\@work:*:*:*:*:*:android:*:* |
| mobileiron | mobile\@work | <= 2021-03-22 | cpe:2.3:a:mobileiron:mobile\@work:*:*:*:*:*:iphone_os:*:* |
| URL | Tags |
|---|---|
| https://github.com/optiv/rustyIron | Exploit Third Party Advisory |
| https://play.google.com/store/apps/details?id=com.mobileiron&hl=en_US&gl=US | Product |
| https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration | Exploit Third Party Advisory |