What is the CVSS score of CVE-2017-7927?

CVE-2017-7927 has a CVSS 3.0 base score of 7.3 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 1.7%.

Is there a public PoC exploit available for CVE-2017-7927?

Yes, a public proof-of-concept exploit is available for CVE-2017-7927. Prioritise patching immediately. EPSS: 1.7%.

Is there a patch available for CVE-2017-7927?

Yes, a patch is available for CVE-2017-7927. Update the affected software to the latest version immediately.

Dh Ipc Hdbw23A0Rn Zs Firmware CVE-2017-7927

HIGH

Use of Password Hash Instead of Password for Authentication (CWE-836)

2017-05-06 ics-cert@hq.dhs.gov

Authentication Bypass Dahua Dh Ipc Hdbw23A0Rn Zs Firmware Dh Ipc Hdbw13A0Sn Firmware Dh Ipc Hdw1Xxx Firmware Dh Ipc Hdw2Xxx Firmware Dh Ipc Hdw4Xxx Firmware Dh Ipc Hfw1Xxx Firmware Dh Ipc Hfw2Xxx Firmware Dh Ipc Hfw4Xxx Firmware Dh Sd6Cxx Firmware Dh Nvr1Xxx Firmware Dh Hcvr4Xxx Firmware Dh Hcvr5Xxx Firmware Dhi Hcvr51A04He S3 Firmware Dhi Hcvr51A08He S3 Firmware Dhi Hcvr58A32S S2 Firmware Dahuasecurity

7.3

CVSS 3.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-836 ASVS 5.0 V15 - Secure Coding and Architecture Use of password hash instead of password
Impact	CVSS score of 7.3 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 1.74%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 1.7% exploitation probability (EPSS)

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AnalysisAI

A Use of Password Hash Instead of Password for Authentication issue was discovered in Dahua DH-IPC-HDBW23A0RN-ZS, DH-IPC-HDBW13A0SN, DH-IPC-HDW1XXX, DH-IPC-HDW2XXX, DH-IPC-HDW4XXX, DH-IPC-HFW1XXX,. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-836. A Use of Password Hash Instead of Password for Authentication issue was discovered in Dahua DH-IPC-HDBW23A0RN-ZS, DH-IPC-HDBW13A0SN, DH-IPC-HDW1XXX, DH-IPC-HDW2XXX, DH-IPC-HDW4XXX, DH-IPC-HFW1XXX, DH-IPC-HFW2XXX, DH-IPC-HFW4XXX, DH-SD6CXX, DH-NVR1XXX, DH-HCVR4XXX, DH-HCVR5XXX, DHI-HCVR51A04HE-S3, DHI-HCVR51A08HE-S3, and DHI-HCVR58A32S-S2 devices. The use of password hash instead of password for authentication vulnerability was identified, which could allow a malicious user to bypass authentication without obtaining the actual password. Affected products include: Dahuasecurity Dh-Ipc-Hdbw23A0Rn-Zs Firmware, Dahuasecurity Dh-Ipc-Hdbw13A0Sn Firmware, Dahuasecurity Dh-Ipc-Hdw1Xxx Firmware, Dahuasecurity Dh-Ipc-Hdw2Xxx Firmware, Dahuasecurity Dh-Ipc-Hdw4Xxx Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.3 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

DescriptionCVE.org

A Use of Password Hash Instead of Password for Authentication issue was discovered in Dahua DH-IPC-HDBW23A0RN-ZS, DH-IPC-HDBW13A0SN, DH-IPC-HDW1XXX, DH-IPC-HDW2XXX, DH-IPC-HDW4XXX, DH-IPC-HFW1XXX, DH-IPC-HFW2XXX, DH-IPC-HFW4XXX, DH-SD6CXX, DH-NVR1XXX, DH-HCVR4XXX, DH-HCVR5XXX, DHI-HCVR51A04HE-S3, DHI-HCVR51A08HE-S3, and DHI-HCVR58A32S-S2 devices. The use of password hash instead of password for authentication vulnerability was identified, which could allow a malicious user to bypass authentication without obtaining the actual password.

Threat Intelligence Overview

EPSS Score

1.7%

Top 17% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC Yes

EPSS 1.7%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.