AuthBreach: Cisco NDFC REST API Allows File Read/Write via Missing Auth
CVE-2024-20438 Published on October 2, 2024
Cisco Nexus Dashboard Fabric Controller Unauthorized REST API Vulnerability
A vulnerability in the REST API endpoints of Cisco NDFC could allow an authenticated, low-privileged, remote attacker to read or write files on an affected device.
This vulnerability exists because of missing authorization controls on some REST API endpoints. An attacker could exploit this vulnerability by sending crafted API requests to an affected endpoint. A successful exploit could allow the attacker to perform limited network-admin functions such as reading device configuration information, uploading files, and modifying uploaded files.
Note: This vulnerability only affects a subset of REST API endpoints and does not affect the web-based management interface.
Vulnerability Analysis
CVE-2024-20438 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Type
Protection Mechanism Failure
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. This weakness covers three distinct situations. A "missing" protection mechanism occurs when the application does not define any mechanism against a certain class of attack. An "insufficient" protection mechanism might provide some defenses - for example, against the most common attacks - but it does not protect against everything that is intended. Finally, an "ignored" mechanism occurs when a mechanism is available and in active use within the product, but the developer has not applied it in some code path.
Products Associated with CVE-2024-20438
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Affected Versions
Cisco Data Center Network Manager:- Version 12.1(1) is affected.
- Version 12.0.1a is affected.
- Version 12.0.2d is affected.
- Version 12.0.2f is affected.
- Version 12.1.1 is affected.
- Version 12.1.1e is affected.
- Version 12.1.1p is affected.
- Version 12.1.2e is affected.
- Version 12.1.2p is affected.
- Version 12.1.3b is affected.
- Version 12.2.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.