How severe is CVE-2020-35137?

CVE-2020-35137 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-35137 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35137?

CVE-2020-35137 primarily affects Mobileiron Mobile@work. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-35137?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-35137 published?

CVE-2020-35137 was published on 2021-03-29 and last updated on 2026-06-17.

CVE-2020-35137

CVE-2020-35137 is a high-severity vulnerability in Mobileiron Mobile@work with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Mobileiron Mobile@work
Published: 2021-03-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-35137?: 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.
How severe is CVE-2020-35137?: CVE-2020-35137 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-35137 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35137?: CVE-2020-35137 primarily affects Mobileiron Mobile@work. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-35137?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-35137 published?: CVE-2020-35137 was published on 2021-03-29 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:mobileiron:mobile\@work:*:*:*:*:*:android:*:*
cpe:2.3:a:mobileiron:mobile\@work:*:*:*:*:*:iphone_os:*:*

More vulnerabilities in Mobileiron Mobile@work

CVE-2020-35138 — Critical (CVSS 9.8): The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key, used to encrypt the…
CVE-2014-5903 — Medium (CVSS 5.4): The Mobile@Work (aka com.mobileiron) application 6.0.0.1.12R for Android does not verify X.509 certificates from SSL…
CVE-2021-3391 — Medium (CVSS 5.3): MobileIron Mobile@Work through 2021-03-22 allows attackers to distinguish among valid, disabled, and nonexistent user…

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