9.8
CRITICAL
CVE-2021-33046
Dahua Camera Authentication Bypass Vulnerability
Description

Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.

INFO

Published Date :

Jan. 13, 2022, 9:15 p.m.

Last Modified :

Jan. 25, 2022, 3:13 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-33046 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 sd6al_firmware
2 Dahuasecurity sd50_firmware
3 Dahuasecurity sd52c_firmware
4 Dahuasecurity ipc-hx2xxx_firmware
5 Dahuasecurity ipc-hx3xxx_firmware
6 Dahuasecurity ipc-hx5xxx_firmware
7 Dahuasecurity sd1a1_firmware
8 Dahuasecurity sd22_firmware
9 Dahuasecurity tpc-bf1241_firmware
10 Dahuasecurity tpc-bf2221_firmware
11 Dahuasecurity tpc-bf5x01_firmware
12 Dahuasecurity tpc-sd2221_firmware
13 Dahuasecurity tpc-sd8x21_firmware
14 Dahuasecurity ipc-hx1xxx_firmware
15 Dahuasecurity ipc-hx5\(4\)\(3\)xxx_firmware
16 Dahuasecurity sd49_firmware
17 Dahuasecurity tpc-pt8x21x_firmware
18 Dahuasecurity nvr1xxx_firmware
19 Dahuasecurity nvr2xxx_firmware
20 Dahuasecurity nvr4xxx_firmware
21 Dahuasecurity nvr5xxx_firmware
22 Dahuasecurity xvr4xxx_firmware
23 Dahuasecurity xvr5xxx_firmware
24 Dahuasecurity xvr7xxx_firmware
25 Dahuasecurity hcvr7xxx_firmware
26 Dahuasecurity hcvr8xxx_firmware
27 Dahuasecurity vtox20xf_firmware
28 Dahuasecurity asc2204c_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-2021-33046.

URL Resource
https://support.dahuatech.com/networkSecurity/securityDetails?id=95 Vendor Advisory
https://www.dahuasecurity.com/support/cybersecurity/details/957 Not Applicable
https://www.dahuasecurity.com/support/cybersecurity/details/987 Vendor Advisory

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-2021-33046 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-33046 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
  • Initial Analysis by [email protected]

    Jan. 25, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.dahuatech.com/networkSecurity/securityDetails?id=95 No Types Assigned https://support.dahuatech.com/networkSecurity/securityDetails?id=95 Vendor Advisory
    Changed Reference Type https://www.dahuasecurity.com/support/cybersecurity/details/957 No Types Assigned https://www.dahuasecurity.com/support/cybersecurity/details/957 Not Applicable
    Changed Reference Type https://www.dahuasecurity.com/support/cybersecurity/details/987 No Types Assigned https://www.dahuasecurity.com/support/cybersecurity/details/987 Vendor Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:ipc-hx1xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:ipc-hx1xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:ipc-hx2xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:ipc-hx2xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:ipc-hx3xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:ipc-hx3xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:ipc-hx5\(4\)\(3\)xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:ipc-hx5\(4\)\(3\)xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:ipc-hx5xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:ipc-hx5xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:sd1a1_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:sd1a1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:sd22_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:sd22:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:sd49_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:sd49:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:sd50_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:sd50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:sd52c_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:sd52c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:sd6al_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:sd6al:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:tpc-bf1241_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:tpc-bf1241:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:tpc-bf2221_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:tpc-bf2221:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:tpc-bf5x01_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:tpc-bf5x01:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:tpc-pt8x21x_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:tpc-pt8x21x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:tpc-sd2221_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:tpc-sd2221:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:tpc-sd8x21_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:tpc-sd8x21:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:nvr1xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:nvr1xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:nvr2xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:nvr2xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:nvr4xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:nvr4xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:nvr5xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:nvr5xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:xvr4xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:xvr4xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:xvr5xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:xvr5xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:xvr7xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:xvr7xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:hcvr7xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:hcvr7xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:hcvr8xxx_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:hcvr8xxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:vtox20xf_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:vtox20xf:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dahuasecurity:asc2204c_firmware:*:*:*:*:*:*:*:* versions from (including) 2017-7 up to (including) 2021-7 OR cpe:2.3:h:dahuasecurity:asc2204c:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 14, 2022

    Action Type Old Value New Value
    Added Reference https://www.dahuasecurity.com/support/cybersecurity/details/987 [No Types Assigned]
    Added Reference https://support.dahuatech.com/networkSecurity/securityDetails?id=95 [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-2021-33046 is associated with the following CWEs:

Exploit Prediction

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

0.23 }} -0.00%

score

0.61820

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability