What is the CVSS score of CVE-2022-45424?

CVE-2022-45424 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2022-45424?

Yes, a patch is available for CVE-2022-45424. Update the affected software to the latest version immediately.

Dss Express CVE-2022-45424

MEDIUM

Missing Authentication for Critical Function (CWE-306)

2022-12-27 cybersecurity@dahuatech.com

Authentication Bypass Dahua Dss Express Dss Professional Dhi Dss7016D S2 Firmware Dhi Dss7016Dr S2 Firmware Dhi Dss4004 S2 Firmware Dahuasecurity

5.3

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-306 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Authentication required for critical functions MITRE ATT&CK 1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could access critical functionality without authentication by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.7% exploitation probability (EPSS)

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AnalysisAI

Some Dahua software products have a vulnerability of unauthenticated request of AES crypto key. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Missing Authentication for Critical Function vulnerability could allow attackers to access critical functionality without authentication.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Require authentication for all sensitive operations, implement defense in depth.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. Some Dahua software products have a vulnerability of unauthenticated request of AES crypto key. An attacker can obtain the AES crypto key by sending a specific crafted packet to the vulnerable interface. Affected products include: Dahuasecurity Dss Express, Dahuasecurity Dss Professional, Dahuasecurity Dhi-Dss7016D-S2 Firmware, Dahuasecurity Dhi-Dss7016Dr-S2 Firmware, Dahuasecurity Dhi-Dss4004-S2 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

DescriptionNVD

Some Dahua software products have a vulnerability of unauthenticated request of AES crypto key. An attacker can obtain the AES crypto key by sending a specific crafted packet to the vulnerable interface.

Threat Intelligence Overview

EPSS Score

0.7%

Top 52% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.7%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +26

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:dahuasecurity:dss_express:7.002.1760000.2:*:*:*:*:*:*:*

cpe:2.3:a:dahuasecurity:dss_express:8.0.2:*:*:*:*:*:*:*

cpe:2.3:a:dahuasecurity:dss_express:8.0.4:*:*:*:*:*:*:*

cpe:2.3:a:dahuasecurity:dss_express:8.1:*:*:*:*:*:*:*

cpe:2.3:a:dahuasecurity:dss_express:8.1.1:*:*:*:*:*:*:*

cpe:2.3:a:dahuasecurity:dss_professional:7.002.1760000.2:*:*:*:*:*:*:*

cpe:2.3:a:dahuasecurity:dss_professional:8.0.2:*:*:*:*:*:*:*

cpe:2.3:a:dahuasecurity:dss_professional:8.0.4:*:*:*:*:*:*:*

cpe:2.3:a:dahuasecurity:dss_professional:8.1:*:*:*:*:*:*:*

cpe:2.3:a:dahuasecurity:dss_professional:8.1.1:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:1.001.0000001.2:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:8.0.2:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:8.0.4:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:8.1:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:1.001.0000001.2:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:8.0.2:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:8.0.4:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:8.1:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:1.001.0000001.2:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:8.0.2:*:*:*:*:*:*:*

+ 2 more

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Some Dahua software products have a vulnerability of unrestricted download of file. Rated medium severity (CVSS 6.5), th

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Some Dahua software products have a vulnerability of unauthenticated un-throttled ICMP requests on remote DSS Server. Ra

CVE-2022-45432 MEDIUM This Month

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Some Dahua software products have a vulnerability of unauthenticated search for devices. Rated medium severity (CVSS 5.3

CVE-2022-45433 LOW Monitor

3.7 Dec 27

Some Dahua software products have a vulnerability of unauthenticated traceroute host from remote DSS Server. Rated low s

CVE-2022-45430 LOW Monitor

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Some Dahua software products have a vulnerability of unauthenticated enable or disable SSHD service. Rated low severity

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Same weakness CWE-306 – Missing Authentication for Critical Function

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CVE-2024-0012 CRITICAL POC

9.3

CVE-2017-10271 HIGH POC

7.5

CVE-2025-3248 CRITICAL POC

9.8

CVE-2024-11680 CRITICAL POC

9.8

CVE-2024-51567 CRITICAL POC

9.8

CVE-2025-0108 HIGH POC

8.8

CVE-2025-61757 CRITICAL POC

9.8

CVE-2025-32433 CRITICAL POC

10.0

Same technique Authentication Bypass

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CVE-2015-3306 CRITICAL POC

10.0

CVE-2023-22515 CRITICAL POC

9.8

CVE-2012-4681 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

9.8

CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

References

Advisories & patches

PATCH https://www.dahuasecurity.com/support/cybersecurity/details/1137 ADVISORY https://vuldb.com/vuln/216889

Search Externally

GitHub PoC

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