CVE-2024-39545

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
juniperCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
---
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CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
juniperjunos_os
𝑥
< 21.2R3-S8
juniperjunos_os
21.4R3-S7 <
𝑥
< 21.4R3-S7
juniperjunos_os
22.1R3-S2 <
𝑥
< 22.1R3-S2
juniperjunos_os
22.2R3-S1 <
𝑥
< 22.2R3-S1
juniperjunos_os
22.3R2-S1 <
𝑥
< 22.3R2-S1
juniperjunos_os
22.4R1-S2 <
𝑥
< 22.4R1-S2
juniperjunos_os
22.4R2 <
𝑥
< 22.4R2
juniperjunos_os
22.4R3 <
𝑥
< 22.4R3
juniperjunos_os
22.3R3 <
𝑥
< 22.3R3
𝑥
= Vulnerable software versions