A vulnerability in the filesystem permissions of Cisco NX-OS Software could allow an authenticated, local attacker to gain read and write access to a critical configuration file. The vulnerability is due to a failure to impose strict filesystem permissions on the targeted device. An attacker could exploit this vulnerability by accessing and modifying restricted files. A successful exploit could allow an attacker to use the content of this configuration file to bypass authentication and log in as any user of the device. MDS 9000 Series Multilayer Switches are affected in versions prior to 6.2(25), 8.1(1b), and 8.3(1). Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected in versions prior to 7.0(3)F3(5). Nexus 2000, 5500, 5600, and 6000 Series Switches are affected in versions prior to 7.1(5)N1(1b) and 7.3(3)N1(1). Nexus 7000 and 7700 Series Switches are affected in versions prior to 6.2(22), 7.3(3)D1(1), and 8.2(3). Nexus 9000 Series Switches-Standalone are affected in versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected in versions prior to 7.0(3)F3(5).
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 13 products from cisco, from cisco, from cisco and 10 others, organizations running these solutions should prioritize assessment and patching.
First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.
2019-03-08T18:29:00.367
2024-11-21T04:36:54.010
Modified
CVSSv3.1: 7.8 (HIGH)
AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | nx-os | < 8.3\(1\) | Yes |
| Hardware | cisco | mds_9000 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i7\(4\) | Yes |
| Hardware | cisco | nexus_3500 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i7\(4\) | Yes |
| Hardware | cisco | nexus_3000 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)f3\(5\) | Yes |
| Hardware | cisco | nexus_3600 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i7\(4\) | Yes |
| Hardware | cisco | nexus_9000 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)f3\(5\) | Yes |
| Hardware | cisco | nexus_9500 | - | No |
| Operating System | cisco | nx-os | < 8.1\(1b\) | Yes |
| Hardware | cisco | mds_9000 | - | No |
| Operating System | cisco | nx-os | < 6.2\(25\) | Yes |
| Hardware | cisco | mds_9000 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i4\(9\) | Yes |
| Hardware | cisco | nexus_3000 | - | No |
| Operating System | cisco | nx-os | < 8.3\(1\) | Yes |
| Hardware | cisco | nexus_7000 | - | No |
| Hardware | cisco | nexus_7700 | - | No |
| Operating System | cisco | nx-os | < 7.3\(3\)d1\(1\) | Yes |
| Hardware | cisco | nexus_7000 | - | No |
| Hardware | cisco | nexus_7700 | - | No |
| Operating System | cisco | nx-os | < 6.2\(22\) | Yes |
| Hardware | cisco | nexus_7000 | - | No |
| Hardware | cisco | nexus_7700 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i4\(9\) | Yes |
| Hardware | cisco | nexus_9000 | - | No |
| Operating System | cisco | nx-os | < 6.0\(2\)a8\(10\) | Yes |
| Hardware | cisco | nexus_3500 | - | No |
| Operating System | cisco | nx-os | < 7.3\(3\)n1\(1\) | Yes |
| Hardware | cisco | nexus_2000 | - | No |
| Hardware | cisco | nexus_5500 | - | No |
| Hardware | cisco | nexus_5600 | - | No |
| Hardware | cisco | nexus_6000 | - | No |
| Operating System | cisco | nx-os | < 7.1\(5\)n1\(1b\) | Yes |
| Hardware | cisco | nexus_2000 | - | No |
| Hardware | cisco | nexus_5500 | - | No |
| Hardware | cisco | nexus_5600 | - | No |
| Hardware | cisco | nexus_6000 | - | No |
| Operating System | cisco | nx-os | < 8.1\(2\) | Yes |
| Hardware | cisco | nexus_7000 | - | No |
| Hardware | cisco | nexus_7700 | - | No |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.