CVE-2021-3540 json
Ivanti MobileIron Core clish Restricted Shell Escape via Argument Injection
published 5y ago modified 4mo ago also EUVD-2021-26851
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.3%
- EPSS 3.3% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ivanti mobileiron 11.1.0.0
Is CVE-2021-3540 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
3.31% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- rapid7.com https://www.rapid7.com/blog/post/2021/06/02/untitled-cve-2021-3198-and-cve-2021-3540-mobileiron-shell-escape-privilege-escalation-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Affected products
- Ivanti MobileIron Core
Classification
- Weakness
-
- CWE-88 Improper Neutralization of Argument Delimiters in a Command
References
Sources
- CVE List CVE-2021-3540
- NVD CVE-2021-3540
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