A NULL Pointer Dereference vulnerability in the Captive Portal Content Delivery (CPCD) services daemon (cpcd) of Juniper Networks Junos OS on MX Series with MS-PIC, MS-SPC3, MS-MIC or MS-MPC allows an attacker to send malformed HTTP packets to the device thereby causing a Denial of Service (DoS), crashing the Multiservices PIC Management Daemon (mspmand) process thereby denying users the ability to login, while concurrently impacting other mspmand services and traffic through the device. Continued receipt and processing of these malformed packets will create a sustained Denial of Service (DoS) condition. While the Services PIC is restarting, all PIC services will be bypassed until the Services PIC completes its boot process. An attacker sending these malformed HTTP packets to the device who is not part of the Captive Portal experience is not able to exploit this issue. This issue is not applicable to MX RE-based CPCD platforms. This issue affects: Juniper Networks Junos OS on MX Series 17.3 version 17.3R1 and later versions prior to 17.4 versions 17.4R2-S9, 17.4R3-S2; 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S3; 18.3 versions prior to 18.3R3-S1; 18.4 versions prior to 18.4R3; 19.1 versions prior to 19.1R2-S2, 19.1R3; 19.2 versions prior to 19.2R2; 19.3 versions prior to 19.3R3. This issue does not affect: Juniper Networks Junos OS versions prior to 17.3R1.
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 17 products from juniper, from juniper, from juniper and 14 others, organizations running these solutions should prioritize assessment and patching.
Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2021-04-22T20:15:09.357
2024-11-21T05:42:19.060
Modified
CVSSv3.1: 8.6 (HIGH)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.3 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 17.4 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.1 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.2 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.3 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 18.4 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.1 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.2 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Operating System | juniper | junos | 19.3 | Yes |
| Hardware | juniper | mx10 | - | No |
| Hardware | juniper | mx10003 | - | No |
| Hardware | juniper | mx10008 | - | No |
| Hardware | juniper | mx10016 | - | No |
| Hardware | juniper | mx104 | - | No |
| Hardware | juniper | mx150 | - | No |
| Hardware | juniper | mx2008 | - | No |
| Hardware | juniper | mx2010 | - | No |
| Hardware | juniper | mx2020 | - | No |
| Hardware | juniper | mx204 | - | No |
| Hardware | juniper | mx240 | - | No |
| Hardware | juniper | mx40 | - | No |
| Hardware | juniper | mx480 | - | No |
| Hardware | juniper | mx5 | - | No |
| Hardware | juniper | mx80 | - | No |
| Hardware | juniper | mx960 | - | 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 juniper'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.