7.4

CVE-2025-30648

Medienbericht

An Improper Input Validation vulnerability in the Juniper DHCP Daemon (jdhcpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause the jdhcpd process to crash resulting in a Denial of Service (DoS).

When a specifically malformed DHCP packet is received from a DHCP client, the jdhcpd process crashes, which will lead to the unavailability of the DHCP service and thereby resulting in a sustained DoS. The DHCP process will restart automatically to recover the service.

This issue will occur when dhcp-security is enabled. 
This issue affects Junos OS: 



  *  All versions before 21.2R3-S9, 
  *  from 21.4 before 21.4R3-S10, 
  *  from 22.2 before 22.2R3-S6, 
  *  from 22.4 before 22.4R3-S6, 
  *  from 23.2 before 23.2R2-S3, 
  *  from 23.4 before 23.4R2-S4, 
  *  from 24.2 before 24.2R2; 




Junos OS Evolved:   *  from 22.4 before 22.4R3-S6-EVO, 
  *  from 23.2 before 23.2R2-S3-EVO, 
  *  from 23.4 before 23.4R2-S4-EVO, 
  *  from 24.2 before 24.2R2-EVO.




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Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerJuniper Networks
≫
Produkt Junos OS
Default Statusunaffected
Version < 21.2R3-S9
Version 0
Status affected
Version < 21.4R3-S10
Version 21.4
Status affected
Version < 22.2R3-S6
Version 22.2
Status affected
Version < 22.4R3-S6
Version 22.4
Status affected
Version < 23.2R2-S3
Version 23.2
Status affected
Version < 23.4R2-S4
Version 23.4
Status affected
Version < 24.2R2
Version 24.2
Status affected
HerstellerJuniper Networks
≫
Produkt Junos OS Evolved
Default Statusunaffected
Version < 22.4R3-S6-EVO
Version 22.4
Status affected
Version < 23.2R2-S3-EVO
Version 23.2
Status affected
Version < 23.4R2-S4-EVO
Version 23.4
Status affected
Version < 24.2R2-EVO
Version 24.2
Status affected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.04% 0.093
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
sirt@juniper.net 7.4 2.8 4
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
sirt@juniper.net 7.1 0 0
CVSS:4.0/AV:A/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:X/R:A/V:X/RE:X/U:X
CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.