CVE-2024-39530

HIGH EPSS 37.6%
Published Jul 11, 20241y ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
High
Find Similar
Published Jul 11, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis management daemon (chassisd) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). If an attempt is made to access specific sensors on platforms not supporting these sensors, either via GRPC or netconf, chassisd will crash and restart leading to a restart of all FPCs and thereby a complete outage. This issue affects Junos OS: * 21.4 versions from 21.4R3 before 21.4R3-S5, * 22.1 versions from 22.1R3 before 22.1R3-S4, * 22.2 versions from 22.2R2 before 22.2R3, * 22.3 versions from 22.3R1 before 22.3R2-S2, 22.3R3, * 22.4 versions from 22.4R1 before 22.4R2. This issue does not affect Junos OS versions earlier than 21.4.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
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:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
37.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-754

Affected Products 20

VendorProductVersionRange
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.1any
juniperjunos21.1any
juniperjunos21.1any
juniperjunos21.1any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any

References 1

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.