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

7.3

CVSS 3.0 · NVD

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

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

CVE Published

May 06, 2017 - 00:29 cve.org

HIGH 7.3

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.

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.

Technical ContextAI

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.

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.