Junos
CVE-2023-44181
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
An Improperly Implemented Security Check for Standard vulnerability in storm control of Juniper Networks Junos OS QFX5k devices allows packets to be punted to ARP queue causing a l2 loop resulting in a DDOS violations and DDOS syslog.
This issue is triggered when Storm control is enabled and ICMPv6 packets are present on device.
This issue affects Juniper Networks:
Junos OS
- All versions prior to 20.2R3-S6 on QFX5k;
- 20.3 versions prior to 20.3R3-S5 on QFX5k;
- 20.4 versions prior to 20.4R3-S5 on QFX5k;
- 21.1 versions prior to 21.1R3-S4 on QFX5k;
- 21.2 versions prior to 21.2R3-S3 on QFX5k;
- 21.3 versions prior to 21.3R3-S2 on QFX5k;
- 21.4 versions prior to 21.4R3 on QFX5k;
- 22.1 versions prior to 22.1R3 on QFX5k;
- 22.2 versions prior to 22.2R2 on QFX5k.
AnalysisAI
An Improperly Implemented Security Check for Standard vulnerability in storm control of Juniper Networks Junos OS QFX5k devices allows packets to be punted to ARP queue causing a l2 loop resulting in. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-835. An Improperly Implemented Security Check for Standard vulnerability in storm control of Juniper Networks Junos OS QFX5k devices allows packets to be punted to ARP queue causing a l2 loop resulting in a DDOS violations and DDOS syslog. This issue is triggered when Storm control is enabled and ICMPv6 packets are present on device.2R3-S6 on QFX5k; * 20.3 versions prior to 20.3R3-S5 on QFX5k; * 20.4 versions prior to 20.4R3-S5 on QFX5k; * 21.1 versions prior to 21.1R3-S4 on QFX5k; * 21.2 versions prior to 21.2R3-S3 on QFX5k; * 21.3 versions prior to 21.3R3-S2 on QFX5k; * 21.4 versions prior to 21.4R3 on QFX5k; * 22.1 versions prior to 22.1R3 on QFX5k; * 22.2 versions prior to 22.2R2 on QFX5k. Affected products include: Juniper Junos. Version information: prior to 20.2.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Same technique Denial Of Service
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External POC / Exploit Code
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