CVE-2021-3540: Ivanti MobileIron Core clish Restricted Shell Escape via Argument Injection

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-07-22 · updated 2026-06-17
Weakness: CWE-88

Description

By abusing the 'install rpm info detail' command, an attacker can escape the restricted clish shell on affected versions of Ivanti MobileIron Core. This issue was fixed in version 11.1.0.0.

Affected products

Ivanti MobileIron Core: through 10.7.0.1-9; from 11.0.0.0 before 11.1.0.0 — fixed in 11.1.0.0

How to fix

Upgrade to a fixed version: Ivanti MobileIron Core 11.1.0.0. Check the vendor advisory for mitigations.

References

https://www.rapid7.com/blog/post/2021/06/02/untitled-cve-2021-3198-and-cve-2021-3540-mobileiron-shell-escape-privilege-escalation-vulnerabilities/
https://www.rapid7.com/blog/post/2021/06/02/untitled-cve-2021-3198-and-cve-2021-3540-mobileiron-shell-escape-privilege-escalation-vulnerabilities/

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