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CVE-2024-39950

No known exploitation. EPSS puts it in the 40th percentile. Fixed in 4.003.0000000.1.r.240515.

CVSS 3.18.6HighEPSS percentile40th0.5% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix4.003.0000000.1.r.240515Upgrade to this build

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Dahua NVR4XXX and IPC-HX8XXXAffected: NVR4XXX and IPC-HX8XXX Versions which Build time before 2024/1/22Upgrade to: not statedStated by: CVE record
  • Dahuasecurity Nvr4104-4ks2\/l FirmwareAffected: < 4.003.0000000.1.r.240515Upgrade to: 4.003.0000000.1.r.240515Stated by: NVD
  • Dahuasecurity Nvr4116-4ks2\/l FirmwareAffected: < 4.003.0000000.1.r.240515Upgrade to: 4.003.0000000.1.r.240515Stated by: NVD
  • Dahuasecurity Nvr4104-p-4ks2\/l FirmwareAffected: < 4.003.0000000.1.r.240515Upgrade to: 4.003.0000000.1.r.240515Stated by: NVD
  • Dahuasecurity Nvr4108-p-4ks2\/l FirmwareAffected: < 4.003.0000000.1.r.240515Upgrade to: 4.003.0000000.1.r.240515Stated by: NVD

Versions as the sources state them. 53 more products have version data. Full version matrix after sign-in

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What it is

From the CVE record

A vulnerability has been found in Dahua products. Attackers can send carefully crafted data packets to the interface with vulnerabilities to initiate device initialization.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS40th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.5% chance of exploitation activity in the next 30 days, which ranks it in the 40th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 426 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Publishedweakness classified, att&ck mapped

Affected products

And 50 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Scored 8.6 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity LowData modification is possible but limited in scope or consequence
  • Availability LowReduced performance or intermittent disruption of service

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

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