Improper Check for Unusual or Exceptional Conditions in Junos OS Leads to Denial-of-Service Attack

CVE-2024-39530
7.5HIGH

Key Information

Vendor
Juniper Networks
Status
Junos Os
Vendor
CVE Published:
11 July 2024

Badges

👾 Exploit Exists

Summary

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.

Affected Version(s)

Junos OS < 21.4R3-S5

Junos OS < 22.1R3-S4

Junos OS < 22.2R3

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published.

  • Vulnerability Reserved.

  • 👾

    Exploit exists.

Collectors

NVD DatabaseMitre Database
.