High severity · published Apr 9, 2020
CVE-2020-9499
Some Dahua products have buffer overflow vulnerabilities
7.2
CVSS
1.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IF
Ipc-hx2xxx Firmware · Dahuasecurity
before 2019-12 · source: NVD
IF
Ipc-hx5842h Firmware · Dahuasecurity
before 2019-12 · source: NVD
IF
Ipc-hx7842h Firmware · Dahuasecurity
before 2019-12 · source: NVD
IF
Ipc-hxxx5x4x Firmware · Dahuasecurity
before 2019-12 · source: NVD
NF
N42b1p Firmware · Dahuasecurity
before 2019-12 · source: NVD
NF
N42b2p Firmware · Dahuasecurity
before 2019-12 · source: NVD
NF
N42b3p Firmware · Dahuasecurity
before 2019-12 · source: NVD
NF
N52a4p Firmware · Dahuasecurity
before 2019-12 · source: NVD
NF
N52b2p Firmware · Dahuasecurity
before 2019-12 · source: NVD
NF
N52b3p Firmware · Dahuasecurity
before 2019-12 · source: NVD
NF
N52b5p Firmware · Dahuasecurity
before 2019-12 · source: NVD
NF
N54a4p Firmware · Dahuasecurity
before 2019-12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-9499
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-9499
Vendor Advisory
https://www.dahuasecurity.com/support/cybersecurity/details/727
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