CVE-2021-3391

MEDIUM 5.3CVE-2021-3391 · Published 29/03/2021 · updated 17/06/2026

In short

CVE-2021-3391 is a MEDIUM (CVSS 5.3) vulnerability affecting mobile@work (mobileiron).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 68.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mobile@work mobileiron	`≤ 11.0.0.0.115r≤ 12.11.1`	No fix yet

Description

MobileIron Mobile@Work through 2021-03-22 allows attackers to distinguish among valid, disabled, and nonexistent user accounts by observing the number of failed login attempts needed to produce a Lockout error message

References

optiv/rustyIron · Third Party Advisory
mobileiron.com/en/blog/mobileiron-security-updates-available · Not Applicable
optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration · Technical Description

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Package

Affected versions

Patched versions

mobile@work

mobileiron

≤ 11.0.0.0.115r≤ 12.11.1

No fix yet

More vulnerabilities in mobile@work

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