Vulnerability Name:

CVE-2021-38521 (CCN-204050)

Assigned:2021-06-17
Published:2021-06-17
Updated:2021-08-18
Summary:Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.50, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.1.62, and RAX80 before 1.0.1.62.
CVSS v3 Severity:7.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
6.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/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): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): Low
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.2 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:M/C:C/I:C/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Multiple_Instances
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Partial
Vulnerability Type:CWE-77
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-38521

Source: XF
Type: UNKNOWN
netgear-psv20180566-cmd-exec(204050)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0566
Security Advisory for Post-Authentication Command Injection on Some Routers

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000063764/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2018-0566

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.50)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.50)
  • AND
  • cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.50)
  • AND
  • cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:rax75_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.62)
  • AND
  • cpe:/h:netgear:rax75:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netgear:rax80_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.62)
  • AND
  • cpe:/h:netgear:rax80:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:r9000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r8900:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:d7800:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear r6400 firmware *
    netgear r6400 -
    netgear r7900p firmware *
    netgear r7900p -
    netgear r8000p firmware *
    netgear r8000p -
    netgear rax75 firmware *
    netgear rax75 -
    netgear rax80 firmware *
    netgear rax80 -
    netgear r9000 -
    netgear r8900 -
    netgear d7800 -