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

CVE-2023-36840

Disclosure Date: July 14, 2023
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A Reachable Assertion vulnerability in Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a locally-based, low-privileged attacker to cause a Denial of Service (DoS).

On all Junos OS and Junos OS Evolved, when a specific L2VPN command is run, RPD will crash and restart. Continued execution of this specific command will create a sustained Denial of Service (DoS) condition.

This issue affects:
Juniper Networks Junos OS
All versions prior to 19.3R3-S10;
20.1 versions prior to 20.1R3-S4;
20.2 versions prior to 20.2R3-S6;
20.3 versions prior to 20.3R3-S6;
20.4 versions prior to 20.4R3-S5;
21.1 versions prior to 21.1R3-S4;
21.2 versions prior to 21.2R3-S3;
21.3 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;
22.3 versions prior to 22.3R2;

Juniper Networks Junos OS Evolved
All versions prior to 20.4R3-S7-EVO;
21.1 versions prior to 21.1R3-S3-EVO;
21.2 versions prior to 21.2R3-S5-EVO;
21.3 versions prior to 21.3R3-S4-EVO;
21.4 versions prior to 21.4R3-EVO;
22.1 versions prior to 22.1R3-EVO;
22.2 versions prior to 22.2R2-EVO;
22.3 versions prior to 22.3R2-EVO;

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CVSS V3 Severity and Metrics
Base Score:
5.5 Medium
Impact Score:
3.6
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Additional Info

Technical Analysis