CVE-2020-35137

Name: CVE-2020-35137
Creator: NVD / NIST
Published: 2021-03-29T20:15:13.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.56%

Last modified Jun 17, 2026

CVE-2020-35137 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.56% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.56%

72.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Mobileiron	Mobile\@Work	<= 2021-03-22

References

https://github.com/optiv/rustyIronExploit, Third Party Advisory
https://play.google.com/store/apps/details?id=com.mobileiron&hl=en_US&gl=USProduct
https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumerationExploit, Third Party Advisory
https://github.com/optiv/rustyIronExploit, Third Party Advisory
https://play.google.com/store/apps/details?id=com.mobileiron&hl=en_US&gl=USProduct
https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumerationExploit, Third Party Advisory

Timeline

Published: Mar 29, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35137?

How severe is CVE-2020-35137?

CVE-2020-35137 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35137?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-35137?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST