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
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.
INFO
Published Date :
July 11, 2024, 5:15 p.m.
Last Modified :
Jan. 23, 2026, 7:23 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2024-39545
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Apply the relevant Junos software release referenced in Juniper advisory JSA83007
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-39545.
| URL | Resource |
|---|---|
| https://supportportal.juniper.net/JSA83007 | Vendor Advisory |
| https://supportportal.juniper.net/JSA83007 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-39545 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-39545
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-39545 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-39545 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 23, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r2-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r2-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.1:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.1:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.1:r2-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r2-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.2:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.2:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r3-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r3-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.3:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.2:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.1:r3-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.3:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.1:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.2:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r3-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.2:r2-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.1:r2-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r3-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r3-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.3:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.4:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* versions up to (excluding) 21.2 *cpe:2.3:o:juniper:junos:21.4:r3-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.2:r2-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.2:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.3:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.4:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r3-s4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.4:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r3-s5:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r3-s4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r3-s6:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.3:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.4:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r3-s5:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.2:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.3:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.1:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:22.4:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.2:r3-s7:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:21.4:r3-s6:*:*:*:*:*:* OR cpe:2.3:h:juniper:srx5600:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx1500:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx5800:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx300:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx4200:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx4100:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx5400:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx240:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx480:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx960:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx2010:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx2020:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx320:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx340:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx345:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx4600:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx204:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx2008:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx10008:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx380:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:nfx350:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx10004:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx304:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx1600:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx2300:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx4300:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx4700:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:srx4120:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:mx-spc3:-:*:*:*:*:*:*:* Added Reference Type Juniper Networks, Inc.: https://supportportal.juniper.net/JSA83007 Types: Vendor Advisory Added Reference Type CVE: https://supportportal.juniper.net/JSA83007 Types: Vendor Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://supportportal.juniper.net/JSA83007 -
CVE Received by [email protected]
Jul. 11, 2024
Action Type Old Value New Value Added 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. Added Reference Juniper Networks, Inc. https://supportportal.juniper.net/JSA83007 [No types assigned] Added CWE Juniper Networks, Inc. CWE-754 Added CVSS V3.1 Juniper Networks, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V4.0 Juniper Networks, Inc. CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X