CVE-2017-7927
HIGH EXPLOITEDDahua IPC and NVR Firmware - Authentication Bypass via Hard-coded Password Hash
Title source: llmExploitation Summary
CVE-2017-7927 has been observed exploited in the wild (reported by VulnCheck KEV).
Description
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.
References (3)
Core 3
Core References
Mitigation, Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-17-124-02
Patch, Vendor Advisory x_refsource_misc
http://us.dahuasecurity.com/en/us/Security-Bulletin_030617.php
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/98312
Scores
CVSS v3
7.3
EPSS
0.3675
EPSS Percentile
98.3%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Details
VulnCheck KEV
2023-11-23
CWE
CWE-798
CWE-836
Status
published
Products (16)
dahuasecurity/dh-hcvr4xxx_firmware
dahuasecurity/dh-hcvr5xxx_firmware
dahuasecurity/dh-ipc-hdbw13a0sn_firmware
dahuasecurity/dh-ipc-hdbw23a0rn-zs_firmware
dahuasecurity/dh-ipc-hdw1xxx_firmware
dahuasecurity/dh-ipc-hdw2xxx_firmware
dahuasecurity/dh-ipc-hdw4xxx_firmware
dahuasecurity/dh-ipc-hfw1xxx_firmware
dahuasecurity/dh-ipc-hfw2xxx_firmware
dahuasecurity/dh-ipc-hfw4xxx_firmware
... and 6 more
Published
May 06, 2017
Tracked Since
Feb 18, 2026