CVE-2020-9499

CVSS V2 Medium 6.5 CVSS V3 High 7.2

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.

Overview

CVE ID
CVE-2020-9499

Assigner
cybersecurity@dahuatech.com

Vulnerability Status
Analyzed

Published Version
2020-04-09T14:15:13

Last Modified Date
2021-04-19T14:57:26

Weakness Enumerations

CWE	URL
CWE-120	http://cwe.mitre.org/data/definitions/120.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:dahuasecurity:sd6al_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:sd6al:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:sd5a_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:sd5a:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:sd1a_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:sd1a:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:ptz1a_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:ptz1a:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:sd50_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:sd50:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:sd52c_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:sd52c:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:ipc-hx5842h_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:ipc-hx5842h:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:ipc-hx7842h_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:ipc-hx7842h:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:ipc-hx2xxx_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:ipc-hx2xxx:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:ipc-hxxx5x4x_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:ipc-hxxx5x4x:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:n42b1p_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:n42b1p:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:n42b2p_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:n42b2p:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:n42b3p_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:n42b3p:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:n52a4p_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:n52a4p:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:n54a4p_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahua:n54a4p:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:n52b2p_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:n52b2p:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:n52b5p_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:n52b5p:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:n52b3p_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:n52b3p:-:::::::*	0	OR
		AND
cpe:2.3:o:dahuasecurity:n54b2p_firmware::::::::	1	OR	2019-12
cpe:2.3:h:dahuasecurity:n54b2p:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.5

Severity
MEDIUM

Exploitability Score
8

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
HIGH

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.2

Base Severity
HIGH

Exploitability Score
1.2

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.dahuasecurity.com/support/cybersecurity/details/727	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-9499
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9499

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:15:28				Added to TrackCVE
2022-12-04 14:16:28	2020-04-09T14:15Z	2020-04-09T14:15:13	CVE Published Date	updated
2022-12-04 14:16:28		2021-04-19T14:57:26	CVE Modified Date	updated
2022-12-04 14:16:28		Analyzed	Vulnerability Status	updated