// For flags

CVE-2024-39545

Junos OS: SRX Series, MX Series with SPC3 and NFX350: When VPN tunnels parameters are not configured in specific way the iked process will crash

Severity Score

8.7
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
None
None
Integrity
None
None
Availability
High
Low
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-06-25 CVE Reserved
  • 2024-07-11 CVE Published
  • 2024-08-02 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-754: Improper Check for Unusual or Exceptional Conditions
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://supportportal.juniper.net/JSA83007 2024-08-02
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Juniper Networks
Search vendor "Juniper Networks"
 Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
 < 21.2R3-S8
Search vendor "Juniper Networks" for product "Junos OS" and version " < 21.2R3-S8"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
 Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
 >= 21.4 < 21.4R3-S7
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 21.4 < 21.4R3-S7"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
 Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
 >= 22.1 < 22.1R3-S2
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.1 < 22.1R3-S2"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
 Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
 >= 22.2 < 22.2R3-S1
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.2 < 22.2R3-S1"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
 Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
 >= 22.3 < 22.3R2-S1
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.3 < 22.3R2-S1"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
 Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
 >= 22.3 < 22.3R3
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.3 < 22.3R3"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
 Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
 >= 22.4 < 22.4R1-S2
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.4 < 22.4R1-S2"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
 Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
 >= 22.4 < 22.4R2
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.4 < 22.4R2"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
 Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
 >= 22.4 < 22.4R3
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.4 < 22.4R3"
en
Affected