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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 restart. Continued exploitation of this issue will lead to a sustained DoS.
This issue only affects MX Series devices with MPC10, MPC11 or LC9600, and MX304. No other MX Series devices are affected.
This issue affects Juniper Networks Junos OS:
* All versions earlier than 20.4R3-S9;
* 21.2 versions earlier than 21.2R3-S6;
* 21.3 versions earlier than 21.3R3-S5;
* 21.4 versions earlier than 21.4R3;
* 22.1 versions earlier than 22.1R3;
* 22.2 versions earlier than 22.2R2;
* 22.3 versions earlier than 22.3R2.
Metrics
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OR
*cpe:2.3:o:juniper:junos:21.4:-:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:21.4:r2:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:21.4:r2-s1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:21.4:r2-s2:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:juniper:junos:22.1:-:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.1:r1-s2:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.1:r2:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.1:r2-s1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.1:r2-s2:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:juniper:junos:22.2:-:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.2:r1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.2:r1-s1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.2:r1-s2:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:juniper:junos:22.3:-:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.3:r1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.3:r1-s1:*:*:*:*:*:*
*cpe:2.3:o:juniper:junos:22.3:r1-s2:*:*:*:*:*:*
Added
CVSS V3.1
NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CWE
NIST CWE-754
Changed
Reference Type
https://supportportal.juniper.net/JSA75744 No Types Assigned
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 resta
Added
Reference
Juniper Networks, Inc. https://supportportal.juniper.net/JSA75744 [No types assigned]
Added
Reference
Juniper Networks, Inc. https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2024-21603 NVD
Published Date: 01/11/2024 NVD
Last Modified: 01/19/2024
Source: Juniper Networks, Inc.