Dahua IPC-HX3XXX Data Packet improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Dahua IPC-HX3XXX, HX5XXX, HUM7XXX, VTO75X95X, VTO65XXX, VTH542XH, SD1A1, SD22, SD49, SD50, SD52C, SD6AL, TPC-BF1241, TPC-BF2221, TPC-SD2221, TPC-BF5XXX, TPC-SD8X21 and TPC-PT8X21B. The affected element is an unknown function of the component Data Packet Handler. This manipulation causes improper authentication. This vulnerability is registered as CVE-2021-33044. Remote exploitation of the attack is possible. Furthermore, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Dahua IPC-HX3XXX, HX5XXX, HUM7XXX, VTO75X95X, VTO65XXX, VTH542XH, SD1A1, SD22, SD49, SD50, SD52C, SD6AL, TPC-BF1241, TPC-BF2221, TPC-SD2221, TPC-BF5XXX, TPC-SD8X21 and TPC-PT8X21B. Affected by this vulnerability is some unknown functionality of the component Data Packet Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The identity authentication bypass vulnerability found in some Dahua products during the login process. Attackers can bypass device identity authentication by constructing malicious data packets.

The weakness was published 09/11/2021. The advisory is shared at dahuasecurity.com. This vulnerability is known as CVE-2021-33044. Technical details are unknown but an exploit is available.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 08/21/2024 with a due date of 09/11/2024:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Upgrading eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.9
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/17/2021 🔍
09/11/2021 +117 days 🔍
09/11/2021 +0 days 🔍
09/30/2024 +1115 days 🔍

Sourcesinfo

Advisory: dahuasecurity.com
Status: Confirmed

CVE: CVE-2021-33044 (🔍)
GCVE (CVE): GCVE-0-2021-33044
GCVE (VulDB): GCVE-100-182485
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/11/2021 11:40
Updated: 09/30/2024 05:12
Changes: 09/11/2021 11:40 (36), 09/16/2021 09:32 (1), 08/21/2024 21:31 (26), 08/22/2024 03:24 (20), 09/30/2024 05:12 (1)
Complete: 🔍
Cache ID: 216:2C1:103

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