How severe is CVE-2017-7927?

CVE-2017-7927 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2017-7927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7927?

CVE-2017-7927 primarily affects Dahuasecurity Dh-ipc-hdbw23a0rn-zs Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7927?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7927 published?

CVE-2017-7927 was published on 2017-05-06 and last updated on 2026-06-17.

CVE-2017-7927

CVE-2017-7927 is a high-severity vulnerability in Dahuasecurity Dh-ipc-hdbw23a0rn-zs Firmware with a CVSS 3.x base score of 7.3. Its EPSS exploit-prediction score of 37% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 37% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Dahuasecurity Dh-ipc-hdbw23a0rn-zs Firmware
Published: 2017-05-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-7927?: 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.
How severe is CVE-2017-7927?: CVE-2017-7927 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2017-7927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7927?: CVE-2017-7927 primarily affects Dahuasecurity Dh-ipc-hdbw23a0rn-zs Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7927?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7927 published?: CVE-2017-7927 was published on 2017-05-06 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:o:dahuasecurity:dh-ipc-hdbw23a0rn-zs_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-ipc-hdbw13a0sn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-ipc-hdw1xxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-ipc-hdw2xxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-ipc-hdw4xxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-ipc-hfw1xxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-ipc-hfw2xxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-ipc-hfw4xxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-sd6cxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-nvr1xxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-hcvr4xxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dh-hcvr5xxx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dhi-hcvr51a04he-s3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dhi-hcvr51a08he-s3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:dhi-hcvr58a32s-s2_firmware:-:*:*:*:*:*:*:*

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