5.5

CVE-2026-33787

Junos OS: SRX1500, SRX4100, SRX4200, SRX4600: When a specific show command is executed chassisd crashes

An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis control daemon (chassisd) of Juniper Networks Junos OS on SRX1500, SRX4100, SRX4200 and SRX4600 allows a local attacker with low privileges to cause a complete Denial of Service (DoS).

When a specific 'show chassis' CLI command is executed, chassisd crashes and restarts which causes a momentary impact to all traffic until all modules are online again.



This issue affects Junos OS on SRX1500, SRX4100, SRX4200 and SRX4600: 



  *  23.2 versions before 23.2R2-S6,
  *  23.4 versions before 23.4R2-S7
  *  24.2 versions before 24.2R2-S2,
  *  24.4 versions before 24.4R2,
  *  25.2 versions before 25.2R1-S1, 25.2R2.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Juniper ≫ Junos Version 23.2 Update -
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.2 Update r1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.2 Update r1-s1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.2 Update r1-s2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.2 Update r2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.2 Update r2-s1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.2 Update r2-s2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.2 Update r2-s3
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.2 Update r2-s4
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.2 Update r2-s5
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update -
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r1-s1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r1-s2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r2-s1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r2-s2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r2-s3
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r2-s4
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r2-s5
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 23.4 Update r2-s6
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.2 Update -
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.2 Update r1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.2 Update r1-s1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.2 Update r1-s2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.2 Update r2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.2 Update r2-s1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.4 Update -
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.4 Update r1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.4 Update r1-s2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 24.4 Update r1-s3
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 25.2 Update -
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 25.2 Update r1
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
Juniper ≫ Junos Version 25.2 Update r2
   Juniper ≫ Srx1500 Version -
   Juniper ≫ Srx4100 Version -
   Juniper ≫ Srx4200 Version -
   Juniper ≫ Srx4600 Version -
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.09% 0.008
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Juniper 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Juniper 6.8 0 0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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.

https://kb.juniper.net/JSA107873
Vendor Advisory
Mitigation