Out-of-bounds Read in Juniper Ex9200-15c
CVE-2024-30401
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. 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. This issue affects Junos OS on MX Series and EX9200-15C: * from 21.2 before 21.2R3-S1, * from 21.4 before 21.4R3, * from 22.1 before 22.1R2, * from 22.2 before 22.2R2; This issue does not affect: * versions of Junos OS prior to 20.3R1; * any version of Junos OS 20.4.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (46.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sirt@juniper.net (vendor-advisory, Vendor Advisory)
- sirt@juniper.net (technical-description, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-30401?
- CVE-2024-30401 is a medium-severity vulnerability in Juniper Ex9200-15c, classified under Out-of-bounds Read. CVSS score: 5.9/10. Published 2024-04-12.
- How severe is CVE-2024-30401?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2024-30401 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.