What’s Vulnerable › Vulnerabilities

CVE-2020-35138

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-29 · updated 2026-06-17
• Weakness: CWE-798

Description

The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key, used to encrypt the submission of username/password details during the authentication process, as demonstrated by Mobile@Work (aka com.mobileiron). The key is in the com/mobileiron/common/utils/C4928m.java file. NOTE: It has been asserted that there is no causality or connection between credential encryption and the MiTM attack

Affected products

• Mobileiron Mobile@Work: through 2021-03-22

References

• https://github.com/optiv/rustyIron
• https://play.google.com/store/apps/details?id=com.mobileiron&hl=en_US&gl=US
• https://www.ivanti.com/blog/a-warranted-response-to-inaccurate-optiv-research
• https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration
• https://www.optiv.com/insights/source-zero/blog/mobileiron-mdm-contains-static-key-allowing-account-enumeration
• https://github.com/optiv/rustyIron
• https://play.google.com/store/apps/details?id=com.mobileiron&hl=en_US&gl=US
• https://www.ivanti.com/blog/a-warranted-response-to-inaccurate-optiv-research
• https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration
• https://www.optiv.com/insights/source-zero/blog/mobileiron-mdm-contains-static-key-allowing-account-enumeration

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