Vulnerability Monitor

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CVE-2023-28967


A Use of Uninitialized Resource vulnerability in the Border Gateway Protocol (BGP) software of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to send specific genuine BGP packets to a device configured with BGP to cause a Denial of Service (DoS) by crashing the Routing Protocol Daemon (rpd). This issue is triggered when the packets attempt to initiate a BGP connection before a BGP session is successfully established. Continued receipt of these specific BGP packets will cause a sustained Denial of Service condition. This issue is triggerable in both iBGP and eBGP deployments. This issue affects: Juniper Networks Junos OS 21.1 version 21.1R1 and later versions prior to 21.1R3-S5; 21.2 version 21.2R1 and later versions prior to 21.2R3-S2; 21.3 version 21.3R1 and later versions prior to 21.3R3-S2; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R3; 22.2 versions prior to 22.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 21.1R1. This issue affects: Juniper Networks Junos OS Evolved 21.1-EVO version 21.1R1-EVO and later versions prior to 21.4R3-EVO; 22.1-EVO versions prior to 22.1R3-EVO; 22.2-EVO versions prior to 22.2R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.1R1-EVO.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, 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 2 products from juniper, from juniper organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, 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.


Published

2023-04-17T22:15:08.890

Last Modified

2024-11-21T07:56:18.400

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-908

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System juniper junos_os_evolved 21.1 Yes
Operating System juniper junos_os_evolved 21.1 Yes
Operating System juniper junos_os_evolved 21.1 Yes
Operating System juniper junos_os_evolved 21.1 Yes
Operating System juniper junos_os_evolved 21.1 Yes
Operating System juniper junos_os_evolved 21.1 Yes
Operating System juniper junos_os_evolved 21.1 Yes
Operating System juniper junos_os_evolved 21.1 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.2 Yes
Operating System juniper junos_os_evolved 22.2 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.1 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.2 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.3 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 21.4 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.1 Yes
Operating System juniper junos 22.2 Yes
Operating System juniper junos 22.2 Yes
Operating System juniper junos 22.2 Yes

References

How SecUtils Interprets This CVE

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.