What is the CVSS score of CVE-2026-20092?

CVE-2026-20092 has a CVSS 3.1 base score of 6.0 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.0%.

Which versions of Cisco are affected by CVE-2026-20092?

CVE-2026-20092 presents moderate security risk, a incorrect permissions vulnerability rated CVSS 6.0. Attackers could gain access beyond their authorized level.

How to fix or mitigate CVE-2026-20092?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review and tighten file/resource permissions.

Cisco CVE-2026-20092

MEDIUM

Incorrect Permission Assignment for Critical Resource (CWE-732)

2026-01-21 psirt@cisco.com

Cisco Denial Of Service

6.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.0 MEDIUM

AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 21, 2026 - 17:16 nvd

MEDIUM 6.0

DescriptionCVE.org

A vulnerability in the read-only maintenance shell of Cisco Intersight Virtual Appliance could allow an authenticated, local attacker with administrative privileges to elevate privileges to root on the virtual appliance.

This vulnerability is due to improper file permissions on configuration files for system accounts within the maintenance shell of the virtual appliance. An attacker could exploit this vulnerability by accessing the maintenance shell as a read-only administrator and manipulating system files to grant root privileges. A successful exploit could allow the attacker to elevate their privileges to root on the virtual appliance and gain full control of the appliance, giving them the ability to access sensitive information, modify workloads and configurations on the host system, and cause a denial of service (DoS).

AnalysisAI

Improper file permissions in Cisco Intersight Virtual Appliance's maintenance shell allow authenticated administrators to escalate privileges to root and gain full control of the system. An attacker with local administrative access can manipulate configuration files to bypass intended privilege restrictions, potentially compromising sensitive data and workload configurations. No patch is currently available for this vulnerability.

Technical ContextAI

This vulnerability (CWE-732: Incorrect Permission Assignment for Critical Resource) affects read-only maintenance shell of Cisco Intersight Virtual Appliance. in the read-only maintenance shell of Cisco Intersight Virtual Appliance could allow an authenticated, local attacker with administrative privileges to elevate privileges to root on the virtual appliance.