CVE-2019-20663 : Certain NETGEAR devices are affected by stored XSS. This affects RBR50 before 2.

Certain NETGEAR devices are affected by stored XSS. This affects RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, and RBK50 before 2.3.5.30.

Published 2020-04-15 19:15:14

Updated 2020-04-20 17:05:50

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2019-20663

Netgear » Rbr50 Firmware
Versions before (<) 2.3.5.30
cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr50 » Version: N/A
Netgear » Rbs50 Firmware
Versions before (<) 2.3.5.30
cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs50 » Version: N/A
Netgear » Rbk50 Firmware
Versions before (<) 2.3.5.30
cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk50 » Version: N/A

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.3	LOW	AV:A/AC:M/Au:S/C:N/I:P/A:N	4.4	2.9	NIST
Access Vector: Adjacent Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.0	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N	0.8	5.2	MITRE
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: None
4.3	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N	1.2	2.7	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: High User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

https://kb.netgear.com/000061476/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-WiFi-Systems-PSV-2018-0559

Security Advisory for Stored Cross Site Scripting on Some WiFi Systems, PSV-2018-0559 | Answer | NETGEAR Support
Vendor Advisory

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