CVE-2022-45423

CVE-2022-45423 is a high-severity vulnerability in Dahuasecurity Dss Express with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

• Severity: High (CVSS 3.x base score 7.5)
• EPSS exploit prediction: 1% (46th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-306
• Affected product: Dahuasecurity Dss Express
• Published: 2022-12-27
• Last modified: 2026-06-17

Description

Some Dahua software products have a vulnerability of unauthenticated request of MQTT credentials. An attacker can obtain encrypted MQTT credentials by sending a specific crafted packet to the vulnerable interface (the credentials cannot be directly exploited).

Frequently asked questions

What is CVE-2022-45423?

Some Dahua software products have a vulnerability of unauthenticated request of MQTT credentials. An attacker can obtain encrypted MQTT credentials by sending a specific crafted packet to the vulnerable interface (the credentials cannot be directly exploited).

How severe is CVE-2022-45423?

CVE-2022-45423 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-45423 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45423?

CVE-2022-45423 primarily affects Dahuasecurity Dss Express. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-45423?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-45423 published?

CVE-2022-45423 was published on 2022-12-27 and last updated on 2026-06-17.

References

• https://www.dahuasecurity.com/support/cybersecurity/details/1137

Affected products (22)

• 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:*:*:*:*:*:*:*
• cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:8.0.4:*:*:*:*:*:*:*
• cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:8.1:*:*:*:*:*:*:*

More vulnerabilities in Dahuasecurity Dss Express

• CVE-2022-45431 — High (CVSS 7.5): Some Dahua software products have a vulnerability of unauthenticated restart of remote DSS Server. After bypassing the…
• CVE-2022-45429 — High (CVSS 7.5): Some Dahua software products have a vulnerability of server-side request forgery (SSRF). An Attacker can access…
• CVE-2022-45425 — High (CVSS 7.5): Some Dahua software products have a vulnerability of using of hard-coded cryptographic key. An attacker can obtain the…
• CVE-2022-45427 — High (CVSS 7.2): Some Dahua software products have a vulnerability of unrestricted upload of file. After obtaining the permissions of…
• CVE-2022-45426 — Medium (CVSS 6.5): Some Dahua software products have a vulnerability of unrestricted download of file. After obtaining the permissions of…
• CVE-2022-45434 — Medium (CVSS 5.9): Some Dahua software products have a vulnerability of unauthenticated un-throttled ICMP requests on remote DSS Server.…

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• CVE-2026-103956 — Critical (CVSS 10.0): Missing authentication for critical function in the authentication dependency in Loom for AWS before 1.6.1 allowed…
• CVE-2026-53988 — Critical (CVSS 10.0): Dockhand before 1.0.40 contains an authentication bypass vulnerability in its git webhook endpoints that allows…
• CVE-2026-85889 — Critical (CVSS 10.0): Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges…
• CVE-2026-92808 — Critical (CVSS 10.0): A server-side request forgery (SSRF) vulnerability exists in the UnifiedLogin service of Altium Enterprise Server. An…

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