CVE-2024-21586Improper Check for Unusual or Exceptional Conditions in Networks Junos OS

Severity
7.5HIGHNVD
EPSS
0.5%
top 32.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 1

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series and NFX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). If an affected device receives specific valid traffic destined to the device, it will cause the PFE to crash and restart. Continued receipt and processing of this traffic will create a sustained DoS condition. This issue affects Junos OS on SRX S

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

CVEListV5juniper_networks/junos_os21.421.4R3-S7.9+7
NVDjuniper/junos5 versions+4

🔴Vulnerability Details

2
GHSA
GHSA-w2xf-42w4-qqrc: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series2024-07-01
CVEList
Junos OS: SRX Series and NFX Series: Specific valid traffic leads to a PFE crash2024-07-01

📋Vendor Advisories

1
Juniper
CVE-2024-21586: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series2024-07-01
CVE-2024-21586 — Networks Junos OS vulnerability | cvebase