CVE-2022-45431 Auth bypass in DSS Professional, DSS Express, DHI-DSS7016D-S2/DHI-DSS7016DR-S2, DHI-DSS4004-S2

High 7.5 Published Updated

An attacker can unauthenticated restart the remote DSS Server by sending crafted packets, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-45431?

CVE-2022-45431 is a high-severity authentication bypass vulnerability in DSS Professional, DSS Express, DHI-DSS7016D-S2/DHI-DSS7016DR-S2, DHI-DSS4004-S2, published on 27 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-284

Which versions are affected by CVE-2022-45431?

It affects 5 products.

Products include Dahuasecurity Dhi-Dss4004-S2 Firmware, Dahuasecurity Dhi-Dss7016d-S2 Firmware, Dahuasecurity Dhi-Dss7016dr-S2 Firmware, Dahuasecurity Dss Express, Dahuasecurity Dss Professional.

How do I fix CVE-2022-45431?

No fix has been published for CVE-2022-45431 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-45431 being exploited?

There is no known exploitation of CVE-2022-45431 in the wild and no public exploit code.

Sources

Also known as GHSA-jm5g-mv3f-pjfw.

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