CVE-2024-39545
HIGHJuniper Junos OS - Unauthenticated Denial of Service via IKE Daemon Crash
Title source: llmDescription
An Improper Check for Unusual or Exceptional Conditions vulnerability in the the IKE daemon (iked) of Juniper Networks Junos OS on SRX Series, MX Series with SPC3 and NFX350 allows allows an unauthenticated, network-based attacker sending specific mismatching parameters as part of the IPsec negotiation to trigger an iked crash leading to Denial of Service (DoS). This issue is applicable to all platforms that run iked. This issue affects Junos OS on SRX Series, MX Series with SPC3 and NFX350: * All versions before 21.2R3-S8, * from 21.4 before 21.4R3-S7, * from 22.1 before 22.1R3-S2, * from 22.2 before 22.2R3-S1, * from 22.3 before 22.3R2-S1, 22.3R3, * from 22.4 before 22.4R1-S2, 22.4R2, 22.4R3.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://supportportal.juniper.net/JSA83007
Scores
CVSS v3
7.5
EPSS
0.0049
EPSS Percentile
38.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-754
Status
published
Products (5)
juniper/junos
21.2 (15 CPE variants)
juniper/junos
21.4 (14 CPE variants)
juniper/junos
22.1 (9 CPE variants)
juniper/junos
22.2 (8 CPE variants)
juniper/junos
22.3 (4 CPE variants)
Published
Jul 11, 2024
Tracked Since
Feb 18, 2026