CVE-2024-39545

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductJuniper Junos
PublishedJul 11, 2024
First seenJul 11, 2024
Weakness typeCWE-754CWE-754

How to fix

Update
  • juniper junos21.2 or later

Affected products

ProductAffected versionsFixed in
juniper junosv < 21.2, 21.2, 21.4, 22.1, 22.2, 22.3, 22.421.2

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