VDB-216888 · CVE-2022-45434 · EUVD-2022-48306

Dahua DHI-DSS4004-S2 ICMP Packet denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Dahua DSS Professional, DSS Express, DHI-DSS7016D-S2, DHI-DSS7016DR-S2 and DHI-DSS4004-S2. Affected by this issue is some unknown functionality of the component ICMP Packet Handler. The manipulation results in denial of service. This vulnerability was named CVE-2022-45434. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Dahua DSS Professional, DSS Express, DHI-DSS7016D-S2, DHI-DSS7016DR-S2 and DHI-DSS4004-S2. It has been classified as problematic. Affected is an unknown function of the component ICMP 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. CVE summarizes:

Some Dahua software products have a vulnerability of unauthenticated un-throttled ICMP requests on remote DSS Server. After bypassing the firewall access control policy, by sending a specific crafted packet to the vulnerable interface, an attacker could exploit the victim server to launch ICMP request attack to the designated target host.

The weakness was presented 12/27/2022 by Firewall. The advisory is shared for download at dahuasecurity.com. This vulnerability is traded as CVE-2022-45434 since 11/14/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-48306). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Dahua

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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-2022-45434 (🔍)
GCVE (CVE): GCVE-0-2022-45434
GCVE (VulDB): GCVE-100-216888
EUVD: 🔍

Entryinfo

Created: 12/27/2022 23:18
Updated: 10/01/2026 15:42
Changes: 12/27/2022 23:18 (39), 01/25/2023 08:01 (11), 04/14/2025 18:18 (16), 10/01/2026 15:42 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.