Learn about CVE-2022-20929, a critical vulnerability in Cisco Enterprise NFV Infrastructure Software allowing unauthorized local attackers to compromise systems.
A vulnerability in the upgrade signature verification of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an unauthenticated, local attacker to provide an unauthentic upgrade file for upload. This vulnerability is due to insufficient cryptographic signature verification of upgrade files. An attacker could exploit this vulnerability by providing an administrator with an unauthentic upgrade file. A successful exploit could allow the attacker to fully compromise the Cisco NFVIS system.
Understanding CVE-2022-20929
This section provides detailed insights into the CVE-2022-20929 vulnerability in Cisco Enterprise NFV Infrastructure Software (NFVIS).
What is CVE-2022-20929?
CVE-2022-20929 is a vulnerability in the upgrade signature verification of Cisco Enterprise NFV Infrastructure Software (NFVIS) that could allow an unauthenticated, local attacker to compromise the system by providing an unauthentic upgrade file.
The Impact of CVE-2022-20929
The vulnerability poses a high risk as it could lead to a full compromise of the Cisco NFVIS system, potentially allowing unauthorized access and control.
Technical Details of CVE-2022-20929
In this section, we delve into the technical aspects of the CVE-2022-20929 vulnerability.
Vulnerability Description
The vulnerability arises from insufficient cryptographic signature verification of upgrade files, enabling attackers to upload unauthentic files.
Affected Systems and Versions
Cisco Enterprise NFV Infrastructure Software versions 3.5.1 to 4.9.1 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by providing administrators with unauthentic upgrade files to compromise the Cisco NFVIS system.
Mitigation and Prevention
To address CVE-2022-20929, immediate steps should be taken along with implementing long-term security practices and applying necessary patches and updates.
Immediate Steps to Take
Administrators should disable unauthorized access and verify the authenticity of upgrade files before uploading.
Long-Term Security Practices
Regular security training sessions, access control mechanisms, and network segmentation can enhance system security.
Patching and Updates
Ensure that the affected systems are updated with the latest patches provided by Cisco to mitigate the CVE-2022-20929 vulnerability.