Medium severity · published Mar 29, 2021
CVE-2021-3391
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…
5.3
CVSS
1.2%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Mobile@work · Mobileiron
through 11.0.0.0.115r; through 12.11.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3391
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3391
Third Party Advisory
https://github.com/optiv/rustyIron
Not Applicable
https://www.mobileiron.com/en/blog/mobileiron-security-updates-available
Technical Description
https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration
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