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High · 7.5 CVE-2023-28976 EUVD-2023-32594GHSA-9v2r-2hf5-3vjw

Junos OS: MX Series: If a specific traffic rate goes above the DDoS threshold it will lead to an FPC crash

Published Apr 17, 2023 · Updated Feb 5, 2025 · Assigned by juniper

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). If specific traffic is received on MX Series and its rate exceeds the respective DDoS protection limit the ingress PFE will crash and restart. Continued receipt of this traffic will create a sustained DoS condition. This issue affects Juniper Networks Junos OS on MX Series: All versions prior to 19.1R3-S10; 19.2 versions prior to 19.2R3-S7; 19.3 versions prior to 19.3R3-S8; 19.4 versions prior to 19.4R3-S11; 20.2 versions prior to 20.2R3-S5; 20.4 versions prior to 20.4R3-S6; 21.1 versions prior to 21.1R3-S5; 21.2 versions prior to 21.2R3-S4; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS unspecified – < 19.1R3-S10, 19.2 – < 19.2R3-S7, 19.3 – < 19.3R3-S8, 19.4 – < 19.4R3-S11, 20.2 – < 20.2R3-S5, 20.4 – < 20.4R3-S6, 21.1 – < 21.1R3-S5, 21.2 – < 21.2R3-S4, 21.3 – < 21.3R3, 21.4 – < 21.4R3, 22.1 – < 22.1R2 19.1R3-S10

Advisories 1

References