Vulnerability · Published Mar 29, 2021 · Assigned by mitre

CVE-2021-3391

Medium 5.3

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).

Severity (CVSS NVD)5.3Medium

Exploit odds (30 days)1.2%top 31.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.mobileiron.com/en/blog/mobileiron-security-updates-available x_refsource_MISC
https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration x_refsource_MISC
https://github.com/optiv/rustyIron x_refsource_MISC