CVE-2024-30407Network attack vector

Container compromise via hard-coded SSH host keys

Published Apr 12, 2024 · Updated Aug 2, 2024

Hard-coded SSH host keys in Juniper Networks JCNR before 23.4 and cRPD before 23.4R1 allow attackers to impersonate affected containers. Affected container images persist the same keys under /etc/ssh/ssh_host_*, allowing a man-in-the-middle to present a trusted host identity and intercept SSH traffic undetected. The attack requires a position on the SSH network path and an exposed SSH service, but successful interception permits complete compromise of the container.

CVSS severity9.2
Critical
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Hard-coded SSH host keys in Juniper Networks JCNR before 23.4 and cRPD before 23.4R1 allow attackers to impersonate affected containers. Affected container images persist the same keys under /etc/ssh/ssh_host_*, allowing a man-in-the-middle to present a trusted host identity and intercept SSH traffic undetected. The attack requires a position on the SSH network path and an exposed SSH service, but successful interception permits complete compromise of the container.

The record

CVE
CVE-2024-30407
Published
Apr 12, 2024
Updated
Aug 2, 2024
Vendor
Juniper Networks
Product
cRPD
Classifications
CWE-321, T1557
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <23.4R1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Juniper Networks · cRPDversion=0 <23.4R1
Juniper Networks · Juniper Cloud-Native Routerversion=0 <23.4
Juniper Networks · Juniper cRPDversion=0 <23.4r1

Published CVSS scores

9.2Juniper Networks, Inc.CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1Juniper Networks, Inc.CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-321Use of Hard-coded Cryptographic Key
T1557Adversary-in-the-Middle

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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