CVEvulnerability
CVE-2023-22403
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-01-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-770
Description
An Allocation of Resources Without Limits or Throttling vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).
On QFX10K Series, Inter-Chassis Control Protocol (ICCP) is used in MC-LAG topologies to exchange control information between the devices in the topology. ICCP connection flaps and sync issues will be observed due to excessive specific traffic to the local device.
This issue affects Juniper Networks Junos OS on QFX10K Series:
* All versions prior to 20.2R3-S7;
* 20.4 versions prior to 20.4R3-S4;
* 21.1 versions prior to 21.1R3-S3;
* 21.2 versions prior to 21.2R3-S1;
* 21.3 versions prior to 21.3R3;
* 21.4 versions prior to 21.4R3;
* 22.1 versions prior to 22.1R2.
Affected configurations
• juniper junos (< 20.2)
• juniper junos 20.2
• juniper junos 20.4
• juniper junos 21.1
• juniper junos 21.2
• juniper junos 21.3
• juniper junos 21.4
• juniper junos 22.1
Related
Weakness · CWE (1)
- CWE-770 Allocation of Resources Without Limits or Throttling weakness
References
- https://kb.juniper.net/JSA70199 Vendor Advisory
- https://kb.juniper.net/JSA70199 Vendor Advisory