SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-9499

Some Dahua products have buffer overflow vulnerabilities.

HIGH 7.2EPSS 1.50%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
1.50% probability · 73th percentile
CISA KEV
Not listed
Weakness
CWE-120
Affected
dahuasecurity/sd6al firmware · dahuasecurity/sd5a firmware · dahuasecurity/sd1a firmware · dahuasecurity/ptz1a firmware · dahuasecurity/sd50 firmware · dahuasecurity/sd52c firmware · dahuasecurity/ipc-hx5842h firmware · dahuasecurity/ipc-hx7842h firmware · dahuasecurity/ipc-hx2xxx firmware · dahuasecurity/ipc-hxxx5x4x firmware · dahuasecurity/n42b1p firmware · dahuasecurity/n42b2p firmware · dahuasecurity/n42b3p firmware · dahuasecurity/n52a4p firmware · dahuasecurity/n54a4p firmware · dahuasecurity/n52b2p firmware · dahuasecurity/n52b5p firmware · dahuasecurity/n52b3p firmware · dahuasecurity/n54b2p firmware
Source
cybersecurity@dahuatech.com

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