CVE-2024-21603Improper Check for Unusual or Exceptional Conditions in Networks Junos OS

Severity
6.5MEDIUMNVD
EPSS
0.1%
top 77.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 12

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Network Junos OS on MX Series allows a network based attacker with low privileges to cause a denial of service. If a scaled configuration for Source class usage (SCU) / destination class usage (DCU) (more than 10 route classes) is present and the SCU/DCU statistics are gathered by executing specific SNMP requests or CLI commands, a 'vmcore' for the RE kernel will be seen which leads to a device restar

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

CVEListV5juniper_networks/junos_os21.221.2R3-S6+6
NVDjuniper/junos7 versions+6

🔴Vulnerability Details

2
GHSA
GHSA-f572-5hm8-87qp: An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Network Junos OS on MX Series allows a network based at2024-01-12
CVEList
Junos OS: MX Series: Gathering statistics in a scaled SCU/DCU configuration will lead to a device crash2024-01-12

📋Vendor Advisories

1
Juniper
CVE-2024-21603: An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Network Junos OS on MX Series allows a network based a2024-01-12
CVE-2024-21603 — Networks Junos OS vulnerability | cvebase