Use After Free in Juniper Junos
CVE-2024-30386
A Use-After-Free vulnerability in the Layer 2 Address Learning Daemon (l2ald) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause l2ald to crash leading to a Denial-of-Service (DoS). I…
Vulnerability class: Use-After-Free
EPSS: 0.003 (18.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Juniper Junos — versions 20.4, 21.2, 21.3
- Juniper Junos_os_evolved — versions 20.4, 21.2, 21.3
- Juniper Networks Junos Os — versions 0, 21.2, 21.3
- Juniper Networks Junos Os Evolved — versions 0, 21.2-EVO, 21.3-EVO
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sirt@juniper.net (vendor-advisory, Vendor Advisory)
- sirt@juniper.net (technical-description, Issue Tracking)
Frequently asked questions
- What is CVE-2024-30386?
- CVE-2024-30386 is a medium-severity vulnerability in Juniper Junos, classified under Use After Free. CVSS score: 5.3/10. Published 2024-04-12.
- How severe is CVE-2024-30386?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2024-30386 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.