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Vulnerabilities/CVE-2024-6387Public Intelligence Dossier
Source: sonicwall · Limited verification•Last verified: •Collection Running
CVE-2024-6387Unknown / EvaluatingHIGH (raw)CVSS 8.1CWE-364

A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd)

Published: 01 Jul 2024•Last updated: 15 Oct 2026, 08:47 AM IST•Source identifier: secalert@redhat.com
Dossier completeness: source-provided sections 2 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Unknown
KEV status was not determined.
CVSS score
8.1HIGH (raw)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Metric sourcesecalert@redhat.com
EPSS probability
99.5%0.995
Percentile100th
Weakness type
CWE-364
CWE-362
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period.

SOC priority

High

Actively exploited

Unknown

Publicly disclosed

Unknown

Risk basis: Microsoft or Microsoft-managed product relevance; HIGH severity; No confirmed exploitation signal in current enrichment

Affected Products & Remediation

40 source-backed products
Affected products and versions (source)
  • sonicwall sma 6200 firmware · version range not provided by source · NVD CPE · Source
  • sonicwall sma 7200 firmware · version range not provided by source · NVD CPE · Source
  • arista eos · >= 4.32.0 <= 4.32.1f · NVD CPE · Source
  • canonical ubuntu linux · 23.10; 24.04; 22.04; 22.10; 23.04 · NVD CPE · Source
  • almalinux almalinux · 9.0 · NVD CPE · Source
  • sonicwall sma 6210 firmware · version range not provided by source · NVD CPE · Source
  • sonicwall sma 7210 firmware · version range not provided by source · NVD CPE · Source
  • sonicwall sma 8200v firmware · version range not provided by source · NVD CPE · Source
  • sonicwall sra ex 7000 firmware · version range not provided by source · NVD CPE · Source
  • netapp a1k firmware · version range not provided by source · NVD CPE · Source
  • netapp a70 firmware · version range not provided by source · NVD CPE · Source
  • netapp a90 firmware · version range not provided by source · NVD CPE · Source
  • netapp a700s firmware · version range not provided by source · NVD CPE · Source
  • netapp 8300 firmware · version range not provided by source · NVD CPE · Source
  • netapp 8700 firmware · version range not provided by source · NVD CPE · Source
  • netapp a400 firmware · version range not provided by source · NVD CPE · Source
  • netapp c400 firmware · version range not provided by source · NVD CPE · Source
  • netapp a250 firmware · version range not provided by source · NVD CPE · Source
  • netapp 500f firmware · version range not provided by source · NVD CPE · Source
  • netapp c250 firmware · version range not provided by source · NVD CPE · Source
  • netapp a800 firmware · version range not provided by source · NVD CPE · Source
  • netapp c800 firmware · version range not provided by source · NVD CPE · Source
  • netapp a900 firmware · version range not provided by source · NVD CPE · Source
  • netapp a9500 firmware · version range not provided by source · NVD CPE · Source
  • netapp c190 firmware · version range not provided by source · NVD CPE · Source
  • netapp a150 firmware · version range not provided by source · NVD CPE · Source
  • netapp a220 firmware · version range not provided by source · NVD CPE · Source
  • netapp fas2720 firmware · version range not provided by source · NVD CPE · Source
  • netapp fas2750 firmware · version range not provided by source · NVD CPE · Source
  • netapp fas2820 firmware · version range not provided by source · NVD CPE · Source
  • netapp bootstrap os · version range not provided by source · NVD CPE · Source
  • apple macos · >= 12.0 < 12.7.6; >= 13.0 < 13.6.8; >= 14.0 < 14.6 · NVD CPE · Source
  • openbsd openssh · < 4.4; >= 8.6 <= 9.8; 4.4; 8.5; 8.6 · NVD CPE · Source
  • redhat openshift container platform · 4.0 · NVD CPE · Source
  • redhat enterprise linux · 9.0; eus 9.4; for arm 64 9.0 aarch64; for arm 64 eus 9.4 aarch64; for ibm z systems 9.0 s390x; for ibm z systems eus 9.4 s390x; for power little endian 9.0 ppc64le; for power little endian eus 9.4 ppc64le; server aus 9.4 · NVD CPE · Source
  • redhat enterprise linux eus · 9.4 · NVD CPE · Source
  • redhat enterprise linux for arm 64 · 9.0 aarch64; eus 9.4 aarch64 · NVD CPE · Source
  • redhat enterprise linux for arm 64 eus · 9.4 aarch64 · NVD CPE · Source
  • redhat enterprise linux for ibm z systems · 9.0 s390x; eus 9.4 s390x · NVD CPE · Source
  • redhat enterprise linux for ibm z systems eus · 9.4 s390x · NVD CPE · Source
NVD applicability prerequisites: cpe:2.3:h:sonicwall:sma_6200:-:*:*:*:*:*:*:*, cpe:2.3:h:sonicwall:sma_7200:-:*:*:*:*:*:*:*, cpe:2.3:h:sonicwall:sma_6210:-:*:*:*:*:*:*:*, cpe:2.3:h:sonicwall:sma_7210:-:*:*:*:*:*:*:*, cpe:2.3:h:sonicwall:sma_8200v:-:*:*:*:*:*:*:*, cpe:2.3:h:sonicwall:sra_ex_7000:-:*:*:*:*:*:*:*, cpe:2.3:h:netapp:a1k:-:*:*:*:*:*:*:*, cpe:2.3:h:netapp:a70:-:*:*:*:*:*:*:*, cpe:2.3:h:netapp:a90:-:*:*:*:*:*:*:*, cpe:2.3:h:netapp:a700s:-:*:*:*:*:*:*:*. These are conditions, not proof that an environment is exposed or unaffected.
Recorded patch / KBNot provided by source

Vendor or catalog guidance (source)

Not provided by source

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Unknown
Exploited (source statement)
Unknown
Publicly disclosed (source)
Unknown

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

Matched network-unauthenticated (CVSS AV:N, CVSS PR:N, CVSS UI:N)

Exposure

  1. Identify devices reporting this CVE and note which expose the affected service to untrusted networks.Telemetry: DeviceTvmSoftwareVulnerabilities · A network-reachable, no-privilege vector makes internet-facing instances the first exposure question. · Rule network-unauthenticated

Exploitation evidence

  1. Review inbound connections to the affected service from unexpected sources since the advisory date.Telemetry: DeviceNetworkEvents · Hunting hypothesis from the CVSS vector; it does not show that exploitation occurred. · Rule network-unauthenticated

Response

  1. Confirm the source-stated update is installed and the CVE is no longer reported.Telemetry: DeviceTvmSoftwareVulnerabilities · A follow-up inventory check verifies remediation. · Rule network-unauthenticated

CISA KEV Record

CISA KEV status was not determined for this record.

Change History & Source Data

— No recorded material change

CNA / source
secalert@redhat.com
Record status · verification
UPDATED · NVD API
CPE
cpe:2.3:o:sonicwall:sma_6200_firmware:-:*:*:*:*:*:*:*, cpe:2.3:h:sonicwall:sma_6200:-:*:*:*:*:*:*:*, cpe:2.3:o:sonicwall:sma_7200_firmware:-:*:*:*:*:*:*:*, cpe:2.3:h:sonicwall:sma_7200:-:*:*:*:*:*:*:*, cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*, cpe:2.3:o:canonical:ubuntu_linux:23.10:*:*:*:*:*:*:*, cpe:2.3:o:canonical:ubuntu_linux:24.04:*:*:*:lts:*:*:*, cpe:2.3:o:almalinux:almalinux:9.0:-:*:*:*:*:*:*, cpe:2.3:o:sonicwall:sma_6210_firmware:-:*:*:*:*:*:*:*, cpe:2.3:h:sonicwall:sma_6210:-:*:*:*:*:*:*:*

Evidence & Provenance

3 public sources
openssh.comSource recordnvd.nist.govSource recordaccess.redhat.comSource record

Linked by the query's stored exact CVE association. Review required tables and validation status before use.

Detection Hunting Query
Target: DeviceTvmSoftwareVulnerabilities•Defender XDR
Detect endpoints exposed to CVE-2024-6387
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2024-6387
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2024-6387"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel desc
Schema Checked · Not runtime validatedSource: SecOps Signal deterministic template · Limited verificationStatic screening: Passed structure and schema checks; tenant execution is not verified.
Open KQL Library
Related community queries

CVE-specific hunting query

  • CVE-2024-6387-regresshion-identify-affected-internet-facing-endpoints.mdDeviceTvmSoftwareInventory DeviceInfo View query
  • CVE-2024-6387-regresshion-identify-affected-endpoints.mdDeviceTvmSoftwareInventory View query

Correlated briefings

— No published briefing references this CVE

SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.