Vulnerability Name:

CVE-2021-38513 (CCN-204075)

Assigned:2021-06-17
Published:2021-06-17
Updated:2022-07-12
Summary:Certain NETGEAR devices are affected by authentication bypass. This affects RBK852 before 3.2.10.11, RBR850 before 3.2.10.11, RBS850 before 3.2.10.11, CBR40 before 2.5.0.10, EAX20 before 1.0.0.48, MK62 before 1.0.6.110, MR60 before 1.0.6.110, MS60 before 1.0.6.110, RBK752 before 3.2.10.10, RBR750 before 3.2.10.10, and RBS750 before 3.2.10.10.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.6 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L)
8.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): Low
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
8.0 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-38513

Source: XF
Type: UNKNOWN
netgear-psv20200008-sec-bypass(204075)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0008
Security Advisory for Authentication Bypass on Some Extenders and WiFi Systems

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000063777/Security-Advisory-for-Authentication-Bypass-on-Some-Extenders-and-WiFi-Systems-PSV-2020-0008

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* (Version < 3.2.10.11)
  • AND
  • cpe:/h:netgear:rbk852:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.10.11)
  • AND
  • cpe:/h:netgear:rbr850:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.10.11)
  • AND
  • cpe:/h:netgear:rbs850:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:cbr40_firmware:*:*:*:*:*:*:*:* (Version < 2.5.0.10)
  • AND
  • cpe:/h:netgear:cbr40:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netgear:eax20_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.48)
  • AND
  • cpe:/h:netgear:eax20:-:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/o:netgear:mk62_firmware:*:*:*:*:*:*:*:* (Version < 1.0.6.110)
  • AND
  • cpe:/h:netgear:mk62:-:*:*:*:*:*:*:*

  • Configuration 7:
  • cpe:/o:netgear:mr60_firmware:*:*:*:*:*:*:*:* (Version < 1.0.6.110)
  • AND
  • cpe:/h:netgear:mr60:-:*:*:*:*:*:*:*

  • Configuration 8:
  • cpe:/o:netgear:ms60_firmware:*:*:*:*:*:*:*:* (Version < 1.0.6.110)
  • AND
  • cpe:/h:netgear:ms60:-:*:*:*:*:*:*:*

  • Configuration 9:
  • cpe:/o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* (Version < 3.2.10.10)
  • AND
  • cpe:/h:netgear:rbk752:-:*:*:*:*:*:*:*

  • Configuration 10:
  • cpe:/o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* (Version < 3.2.10.10)
  • AND
  • cpe:/h:netgear:rbr750:-:*:*:*:*:*:*:*

  • Configuration 11:
  • cpe:/o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* (Version < 3.2.10.10)
  • AND
  • cpe:/h:netgear:rbs750:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear rbk852 firmware *
    netgear rbk852 -
    netgear rbr850 firmware *
    netgear rbr850 -
    netgear rbs850 firmware *
    netgear rbs850 -
    netgear cbr40 firmware *
    netgear cbr40 -
    netgear eax20 firmware *
    netgear eax20 -
    netgear mk62 firmware *
    netgear mk62 -
    netgear mr60 firmware *
    netgear mr60 -
    netgear ms60 firmware *
    netgear ms60 -
    netgear rbk752 firmware *
    netgear rbk752 -
    netgear rbr750 firmware *
    netgear rbr750 -
    netgear rbs750 firmware *
    netgear rbs750 -