CVE-2023-44176

Junos OS : Stack overflow vulnerability in CLI command processing

Published Oct 12, 2023 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description

A Stack-based Buffer Overflow vulnerability in the CLI command of Juniper Networks Junos OS allows a low privileged attacker to execute a specific CLI commands leading to Denial of Service.

Repeated actions by the attacker will create a sustained Denial of Service (DoS) condition.

This issue affects Juniper Networks:

Junos OS:



* All versions prior to 20.4R3-S8;
* 21.2 versions prior to 21.2R3-S6;
* 21.3 versions prior to 21.3R3-S5;
* 22.1 versions prior to 22.1R3-S3;
* 22.3 versions prior to 22.3R3;
* 22.4 versions prior to 22.4R3.






Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: Junos OS: 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 22.1R3-S3, 22.3R3, 22.4R3, 23.2R1, and all subsequent releases.


Vendor Workaround

To reduce the risk of malicious exploitation use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-48535 A Stack-based Buffer Overflow vulnerability in the CLI command of Juniper Networks Junos OS allows a low privileged attacker to execute a specific CLI commands leading to Denial of Service. Repeated actions by the attacker will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks: Junos OS: * All versions prior to 20.4R3-S8; * 21.2 versions prior to 21.2R3-S6; * 21.3 versions prior to 21.3R3-S5; * 22.1 versions prior to 22.1R3-S3; * 22.3 versions prior to 22.3R3; * 22.4 versions prior to 22.4R3.
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Sep 19, 2024, 1:09 PM
Reserved
Sep 26, 2023, 7:30 PM
Status
Modified
Published
Oct 13, 2023, 12:15 AM
Modified
Jun 17, 2026, 6:27 AM