Vulnerability Name:

CVE-2019-20677 (CCN-180441)

Assigned:2019-12-04
Published:2019-12-04
Updated:2020-04-20
Summary: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.
CVSS v3 Severity:4.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N)
4.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
6.2 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2019-20677

Source: XF
Type: UNKNOWN
netgear-cve201920677-xss(180441)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0541
Security Advisory for Stored Cross Site Scripting on some WiFi Systems

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000061462/Security-Advisory-for-Stored-Cross-Site-Scripting-on-some-WiFi-Systems-PSV-2018-0541

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:rbr50_firmware:*:*:*:*:*:*:*:* (Version < 2.3.5.30)
  • AND
  • cpe:/h:netgear:rbr50:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* (Version < 2.3.5.30)
  • AND
  • cpe:/h:netgear:rbs50:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:rbk50_firmware:*:*:*:*:*:*:*:* (Version < 2.3.5.30)
  • AND
  • cpe:/h:netgear:rbk50:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:netgear:rbs50_firmware:2.3.5:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:rbr50_firmware:2.3.5:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:rbk50_firmware:2.3.5:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear rbr50 firmware *
    netgear rbr50 -
    netgear rbs50 firmware *
    netgear rbs50 -
    netgear rbk50 firmware *
    netgear rbk50 -
    netgear rbs50 firmware 2.3.5
    netgear rbr50 firmware 2.3.5
    netgear rbk50 firmware 2.3.5