CVE-2024-30401
Severity CVSS v4.0:
HIGH
Type:
CWE-125
Out-of-bounds Read
Publication date:
12/04/2024
Last modified:
23/01/2026
Description
An Out-of-bounds Read vulnerability in the advanced forwarding management process aftman of Juniper Networks Junos OS on MX Series with MPC10E, MPC11, MX10K-LC9600 line cards, MX304, and EX9200-15C, may allow an attacker to exploit a stack-based buffer overflow, leading to a reboot of the FPC.<br />
<br />
Through code review, it was determined that the interface definition code for aftman could read beyond a buffer boundary, leading to a stack-based buffer overflow.<br />
This issue affects Junos OS on MX Series and EX9200-15C:<br />
<br />
<br />
* from 21.2 before 21.2R3-S1, <br />
* from 21.4 before 21.4R3, <br />
* from 22.1 before 22.1R2, <br />
* from 22.2 before 22.2R2; <br />
<br />
<br />
<br />
<br />
This issue does not affect:<br />
<br />
<br />
<br />
* versions of Junos OS prior to 20.3R1;<br />
* any version of Junos OS 20.4.
Impact
Base Score 4.0
8.20
Severity 4.0
HIGH
Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:* | ||
| cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:* | ||
| cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:* | ||
| cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:* | ||
| cpe:2.3:o:juniper:junos:21.2:r2:*:*:*:*:*:* | ||
| cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:* | ||
| cpe:2.3:o:juniper:junos:21.2:r2-s2:*:*:*:*:*:* | ||
| cpe:2.3:o:juniper:junos:21.2:r3:*:*:*:*:*:* | ||
| 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:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page



