Vulnerability in Juniper Ex4300
CVE-2024-30384
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on EX4300 Series allows a locally authenticated attacker with low privileges to cause a Denial-of-Service (Dos). If a specific CLI command is issued, a PFE crash will occur. This will cause traffic forwarding to be interrupted until the system self-recovers. This issue affects Junos OS: All versions before 20.4R3-S10, 21.2 versions before 21.2R3-S7, 21.4 versions before 21.4R3-S6.
EPSS: 0.002 (6.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/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, Issue Tracking)
Frequently asked questions
- What is CVE-2024-30384?
- CVE-2024-30384 is a medium-severity vulnerability in Juniper Ex4300, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2024-04-12.
- How severe is CVE-2024-30384?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2024-30384 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.