Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2023-44195

Disclosure Date: October 13, 2023
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in the NetworkStack agent daemon (nsagentd) of Juniper Networks Junos OS Evolved allows an unauthenticated network based attacker to cause limited impact to the availability of the system.

If specific packets reach the Routing-Engine (RE) these will be processed normally even if firewall filters are in place which should have prevented this. This can lead to a limited, increased consumption of resources resulting in a Denial-of-Service (DoS), and unauthorized access.

CVE-2023-44196 is a prerequisite for this issue.

This issue affects Juniper Networks Junos OS Evolved:

  • 21.3-EVO versions prior to 21.3R3-S5-EVO;
  • 21.4-EVO versions prior to 21.4R3-S4-EVO;
  • 22.1-EVO version 22.1R1-EVO and later;
  • 22.2-EVO version 22.2R1-EVO and later;
  • 22.3-EVO versions prior to 22.3R2-S2-EVO, 22.3R3-S1-EVO;
  • 22.4-EVO versions prior to 22.4R3-EVO.

This issue doesn’t not affected Junos OS Evolved versions prior to 21.3R1-EVO.

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CVSS V3 Severity and Metrics
Base Score:
5.3 Medium
Impact Score:
1.4
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Low

General Information

Additional Info

Technical Analysis