8.7

CVE-2025-30660

Media report

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).When processing a high rate of specific GRE traffic destined to the device, the respective PFE will hang causing traffic forwarding to stop. 



When this issue occurs the following logs can be observed:

 <fpc #> MQSS(0): LI-3: Received a parcel with more than 512B accompanying data 
CHASSISD_FPC_ASIC_ERROR: ASIC Error detected <...>


This issue affects Junos OS:

  *  all versions before 21.2R3-S9,
  *  21.4 versions before 21.4R3-S8,
  *  22.2 versions before 22.2R3-S4,
  *  22.4 versions before 22.4R3-S5,
  *  23.2 versions before 23.2R2-S2,
  *  23.4 versions before 23.4R2.

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
This information is available to logged-in users.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VendorJuniper Networks
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Product Junos OS
Default Statusunaffected
Version < 21.2R3-S9
Version 0
Status affected
Version < 21.4R3-S8
Version 21.4
Status affected
Version < 22.2R3-S4
Version 22.2
Status affected
Version < 22.4R3-S5
Version 22.4
Status affected
Version < 23.2R2-S2
Version 23.2
Status affected
Version < 23.4R2
Version 23.4
Status affected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.06% 0.179
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
sirt@juniper.net 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
sirt@juniper.net 8.7 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:M/U:X
CWE-754 Improper Check for Unusual or Exceptional Conditions

The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.