CVE-2022-45431

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.

Published: 2022-12-27 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-45431 is rated Moderate Risk (46.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.64%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-45431

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.18% 0.64% +0.46%
2 2025-12-28 0.04% 0.18% +0.14%
3 2025-11-21 — 0.04% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-45431

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-45431

Affected software / configurations for CVE-2022-45431

Vendor Product Version Raw CPE
dahuasecurity dhi-dss7016d-s2_firmware 1.001.0000001.2 cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:1.001.0000001.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016d-s2_firmware 8.0.2 cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:8.0.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016d-s2_firmware 8.0.4 cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:8.0.4:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016d-s2_firmware 8.1 cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:8.1:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016dr-s2_firmware 1.001.0000001.2 cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:1.001.0000001.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016dr-s2_firmware 8.0.2 cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:8.0.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016dr-s2_firmware 8.0.4 cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:8.0.4:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016dr-s2_firmware 8.1 cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:8.1:*:*:*:*:*:*:*
dahuasecurity dhi-dss4004-s2_firmware 1.001.0000001.2 cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:1.001.0000001.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss4004-s2_firmware 8.0.2 cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:8.0.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss4004-s2_firmware 8.0.4 cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:8.0.4:*:*:*:*:*:*:*
dahuasecurity dhi-dss4004-s2_firmware 8.1 cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:8.1:*:*:*:*:*:*:*
dahuasecurity dss_express 7.002.1760000.2 cpe:2.3:a:dahuasecurity:dss_express:7.002.1760000.2:*:*:*:*:*:*:*
dahuasecurity dss_express 8.0.2 cpe:2.3:a:dahuasecurity:dss_express:8.0.2:*:*:*:*:*:*:*
dahuasecurity dss_express 8.0.4 cpe:2.3:a:dahuasecurity:dss_express:8.0.4:*:*:*:*:*:*:*
dahuasecurity dss_express 8.1 cpe:2.3:a:dahuasecurity:dss_express:8.1:*:*:*:*:*:*:*
dahuasecurity dss_express 8.1.1 cpe:2.3:a:dahuasecurity:dss_express:8.1.1:*:*:*:*:*:*:*
dahuasecurity dss_professional 7.002.1760000.2 cpe:2.3:a:dahuasecurity:dss_professional:7.002.1760000.2:*:*:*:*:*:*:*
dahuasecurity dss_professional 8.0.2 cpe:2.3:a:dahuasecurity:dss_professional:8.0.2:*:*:*:*:*:*:*
dahuasecurity dss_professional 8.0.4 cpe:2.3:a:dahuasecurity:dss_professional:8.0.4:*:*:*:*:*:*:*
dahuasecurity dss_professional 8.1 cpe:2.3:a:dahuasecurity:dss_professional:8.1:*:*:*:*:*:*:*
dahuasecurity dss_professional 8.1.1 cpe:2.3:a:dahuasecurity:dss_professional:8.1.1:*:*:*:*:*:*:*

References for CVE-2022-45431

cvelogic Threat Intelligence