7.3
HIGH
CVE-2017-7927
Dahua Dahua Password Hash Authentication Bypass
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.

INFO

Published Date :

May 6, 2017, 12:29 a.m.

Last Modified :

Oct. 9, 2019, 11:29 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-7927 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Dahuasecurity dh-ipc-hdbw23a0rn-zs_firmware
2 Dahuasecurity dh-ipc-hdbw13a0sn_firmware
3 Dahuasecurity dh-ipc-hdw1xxx_firmware
4 Dahuasecurity dh-ipc-hdw2xxx_firmware
5 Dahuasecurity dh-ipc-hdw4xxx_firmware
6 Dahuasecurity dh-ipc-hfw1xxx_firmware
7 Dahuasecurity dh-ipc-hfw2xxx_firmware
8 Dahuasecurity dh-ipc-hfw4xxx_firmware
9 Dahuasecurity dh-sd6cxx_firmware
10 Dahuasecurity dh-nvr1xxx_firmware
11 Dahuasecurity dh-hcvr4xxx_firmware
12 Dahuasecurity dh-hcvr5xxx_firmware
13 Dahuasecurity dhi-hcvr51a04he-s3_firmware
14 Dahuasecurity dhi-hcvr51a08he-s3_firmware
15 Dahuasecurity dhi-hcvr58a32s-s2_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-7927.

URL Resource
http://us.dahuasecurity.com/en/us/Security-Bulletin_030617.php Patch Vendor Advisory
http://www.securityfocus.com/bid/98312 Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-124-02 Mitigation Third Party Advisory US Government Resource

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-7927 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-7927 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE ICS-CERT CWE-836
  • Initial Analysis by [email protected]

    May. 18, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Changed Reference Type http://us.dahuasecurity.com/en/us/Security-Bulletin_030617.php No Types Assigned http://us.dahuasecurity.com/en/us/Security-Bulletin_030617.php Patch, Vendor Advisory
    Changed Reference Type http://www.securityfocus.com/bid/98312 No Types Assigned http://www.securityfocus.com/bid/98312 Third Party Advisory, VDB Entry
    Changed Reference Type https://ics-cert.us-cert.gov/advisories/ICSA-17-124-02 No Types Assigned https://ics-cert.us-cert.gov/advisories/ICSA-17-124-02 Mitigation, Third Party Advisory, US Government Resource
    Added CWE CWE-798
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-ipc-hdbw23a0rn-zs_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-ipc-hdbw23a0rn-zs:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-ipc-hdbw13a0sn_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-ipc-hdbw13a0sn:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-ipc-hdw1xxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-ipc-hdw1xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-ipc-hdw2xxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-ipc-hdw2xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-ipc-hdw4xxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-ipc-hdw4xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-ipc-hfw1xxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-ipc-hfw1xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-ipc-hfw2xxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-ipc-hfw2xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-ipc-hfw4xxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-ipc-hfw4xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-sd6cxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-sd6cxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-nvr1xxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-nvr1xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-hcvr4xxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:ddh-hcvr4xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dh-hcvr5xxx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dh-hcvr5xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dhi-hcvr51a04he-s3_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dhi-hcvr51a04he-s3:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dhi-hcvr51a08he-s3_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dhi-hcvr51a08he-s3:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:dhi-hcvr58a32s-s2_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dahuasecurity:dhi-hcvr58a32s-s2:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 09, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/98312 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-7927 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

3.15 }} -1.56%

score

0.89616

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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Integrity
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