EUVD-2026-21205
GHSA-w7w4-rh54-5rf6
CVSS VectorNVD
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
Lifecycle Timeline
4DescriptionNVD
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.
AnalysisAI
Denial of service in Juniper Networks Junos OS chassis control daemon (chassisd) on SRX1500, SRX4100, SRX4200, and SRX4600 allows local attackers with low privileges to crash the daemon via a specific 'show chassis' CLI command, causing complete traffic disruption until modules restart. The vulnerability affects Junos OS versions 23.2 before 23.2R2-S6, 23.4 before 23.4R2-S7, 24.2 before 24.2R2-S2, 24.4 before 24.4R2, and 25.2 before 25.2R1-S1 or 25.2R2. …
Sign in for full analysis, threat intelligence, and remediation guidance.
More from same product – last 7 days
Share
External POC / Exploit Code
Leaving vuln.today