What is the CVSS score of CVE-2022-45434?

CVE-2022-45434 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2022-45434?

Yes, a patch is available for CVE-2022-45434. Update the affected software to the latest version immediately.

Dhi Dss7016D S2 Firmware CVE-2022-45434

MEDIUM

Allocation of Resources Without Limits or Throttling (CWE-770)

2022-12-27 cybersecurity@dahuatech.com

Dahua Denial Of Service Dhi Dss7016D S2 Firmware Dhi Dss7016Dr S2 Firmware Dhi Dss4004 S2 Firmware Dss Express Dss Professional

5.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.9 MEDIUM

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 27, 2022 - 18:15 nvd

MEDIUM 5.9

DescriptionNVD

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.

AnalysisAI

Some Dahua software products have a vulnerability of unauthenticated un-throttled ICMP requests on remote DSS Server. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

Technical ContextAI

This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. 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. Affected products include: Dahuasecurity Dhi-Dss7016D-S2 Firmware, Dahuasecurity Dhi-Dss7016Dr-S2 Firmware, Dahuasecurity Dhi-Dss4004-S2 Firmware, Dahuasecurity Dss Express, Dahuasecurity Dss Professional.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Set resource limits, implement rate limiting, validate input sizes.