SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-45431

Some Dahua software products have a vulnerability of unauthenticated restart of remote DSS Server.

HIGH 7.5EPSS 0.64%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.64% probability · 49th percentile
CISA KEV
Not listed
Weakness
CWE-284
Affected
dahuasecurity/dhi-dss7016d-s2 firmware · dahuasecurity/dhi-dss7016dr-s2 firmware · dahuasecurity/dhi-dss4004-s2 firmware · dahuasecurity/dss express · dahuasecurity/dss professional
Source
cybersecurity@dahuatech.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.