Multiple vulnerabilities in the implementation of the Lightweight Directory Access Protocol (LDAP) feature in Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerabilities are due to the improper parsing of LDAP packets by an affected device. An attacker could exploit these vulnerabilities by sending an LDAP packet crafted using Basic Encoding Rules (BER) to an affected device. The LDAP packet must have a source IP address of an LDAP server configured on the targeted device. A successful exploit could cause the affected device to reload, resulting in a DoS condition. Firepower 4100 Series Next-Generation Firewalls are affected in versions prior to 2.0.1.201, 2.2.2.54, and 2.3.1.75. Firepower 9300 Security Appliances are affected in versions prior to 2.0.1.201, 2.2.2.54, and 2.3.1.75. MDS 9000 Series Multilayer Switches are affected in versions prior to 8.2(1). Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I7(1). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(2). Nexus 7000 and 7700 Series Switches are affected in versions prior to 6.2(20), 7.3(2)D1(1), and 8.2(1). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I7(1). UCS 6200 and 6300 Fabric Interconnect are affected in versions prior to 3.2(2b).
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.6, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 12 products from cisco, from cisco, from cisco and 9 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.
2019-03-07T19:29:00.303
2024-11-21T04:36:53.470
Modified
CVSSv3.0: 8.6 (HIGH)
AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | firepower_extensible_operating_system | < 2.3.1.75 | Yes |
| Hardware | cisco | firepower_4100 | - | No |
| Hardware | cisco | firepower_9300 | - | No |
| Operating System | cisco | nx-os | < 8.2\(1\) | Yes |
| Hardware | cisco | mds_9000 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i7\(1\) | Yes |
| Hardware | cisco | nexus_3000 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i7\(2\) | Yes |
| Hardware | cisco | nexus_3500 | - | No |
| Operating System | cisco | nx-os | < 8.2\(1\) | Yes |
| Hardware | cisco | nexus_7000 | - | No |
| Hardware | cisco | nexus_7700 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i7\(1\) | Yes |
| Hardware | cisco | nexus_9000 | - | No |
| Operating System | cisco | firepower_extensible_operating_system | < 2.2.2.54 | Yes |
| Hardware | cisco | firepower_4100 | - | No |
| Hardware | cisco | firepower_9300 | - | No |
| Operating System | cisco | nx-os | < 7.3\(2\)d1\(1\) | Yes |
| Hardware | cisco | nexus_7000 | - | No |
| Hardware | cisco | nexus_7700 | - | No |
| Operating System | cisco | nx-os | < 6.2\(20\) | Yes |
| Hardware | cisco | nexus_7000 | - | No |
| Hardware | cisco | nexus_7700 | - | No |
| Operating System | cisco | firepower_extensible_operating_system | < 2.0.1.201 | Yes |
| Hardware | cisco | firepower_4100 | - | No |
| Hardware | cisco | firepower_9300 | - | No |
| Operating System | cisco | nx-os | < 3.2\(2b\) | Yes |
| Hardware | cisco | ucs_6200 | - | No |
| Hardware | cisco | ucs_6300 | - | No |
| Operating System | cisco | nx-os | < 6.2\(21\) | Yes |
| Hardware | cisco | mds_9000 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i4\(7\) | Yes |
| Hardware | cisco | nexus_3000 | - | No |
| Operating System | cisco | nx-os | < 6.0\(2\)a8\(11\) | Yes |
| Hardware | cisco | nexus_3500 | - | No |
| Operating System | cisco | nx-os | < 7.0\(3\)i4\(7\) | Yes |
| Hardware | cisco | nexus_9000 | - | 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.