CVE-2018-18555 - CVE House
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Status published Critical CVE-2018-18555

A sandbox escape issue was discovered in VyOS 1.1.8. It...

Vulnerability Description

A sandbox escape issue was discovered in VyOS 1.1.8. It provides a restricted management shell for operator users to administer the device. By issuing various shell special characters with certain commands, an authenticated operator user can break out of the management shell and gain access to the underlying Linux shell. The user can then run arbitrary operating system commands with the privileges afforded by their account.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2018-18556
A privilege escalation issue was discovered in VyOS 1.1.8. The...
Critical 9.9

Affected Vendor

Affected Software

vyos
Vulnerable Versions:
1.1.8

Timeline

Official Publish: December 17th, 2018
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.