Dahua DHI-DSS4004-S2 Packet denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Dahua DSS Professional, DSS Express, DHI-DSS7016D-S2, DHI-DSS7016DR-S2 and DHI-DSS4004-S2. This impacts an unknown function of the component Packet Handler. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2022-45431. Remote exploitation of the attack is possible. No exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Dahua DSS Professional, DSS Express, DHI-DSS7016D-S2, DHI-DSS7016DR-S2 and DHI-DSS4004-S2. This affects an unknown code of the component Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Some Dahua software products have a vulnerability of unauthenticated restart of remote DSS Server. After bypassing the firewall access control policy, by sending a specific crafted packet to the vulnerable interface, an attacker could unauthenticated restart of remote DSS Server.

The weakness was published 12/27/2022 by Firewall. The advisory is shared at dahuasecurity.com. This vulnerability is uniquely identified as CVE-2022-45431 since 11/14/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-48303). 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: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/14/2022 🔍
12/27/2022 +43 days 🔍
12/27/2022 +0 days 🔍
10/01/2026 +1374 days 🔍

Sourcesinfo

Advisory: dahuasecurity.com
Researcher: Firewall
Status: Confirmed

CVE: CVE-2022-45431 (🔍)
GCVE (CVE): GCVE-0-2022-45431
GCVE (VulDB): GCVE-100-216885
EUVD: 🔍

Entryinfo

Created: 12/27/2022 23:16
Updated: 10/01/2026 15:42
Changes: 12/27/2022 23:16 (39), 01/25/2023 07:44 (10), 04/12/2025 10:30 (16), 10/01/2026 15:42 (1)
Complete: 🔍
Cache ID: 216::103

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