CVE-2026-33923

A signature verification vulnerability was discovered in the update installation functionality due to inconsistent validation of the update bundle contents. An attacker with administrative privileges can remotely supply a crafted update bundle that passes signature verification but runs an unsigned script when the bundle is installed. The script runs with root privileges, allowing the attacker to read or modify sensitive data, change the appliance configuration, or shut down the appliance.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://security.nozominetworks.com/NN-2026:21-01

Configurations

No configuration.

History

29 Oct 2026, 11:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-29 11:17

Updated : 2026-10-29 15:59

NVD link : CVE-2026-33923

Mitre link : CVE-2026-33923

CVE.ORG link : CVE-2026-33923

JSON object : View

Products Affected

No product.

CWE

CWE-347

Improper Verification of Cryptographic Signature

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