Vulnerability Name:

CVE-2021-38520 (CCN-204047)

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 1.0.1.52, R6400v2 before 1.0.4.84, R6700v3 before 1.0.4.84, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, and R7000P before 1.3.2.124.
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
6.6 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/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): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
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
7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-77
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-38520

Source: XF
Type: UNKNOWN
netgear-psv20180565-cmd-exec(204047)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0565
Security Advisory for Post-Authentication Command Injection on Some Routers

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000063763/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2018-0565

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.52)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.84)
  • AND
  • cpe:/h:netgear:r6400:v2:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:r6700_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.62)
  • AND
  • cpe:/h:netgear:r6700:v2:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:r6900_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.62)
  • AND
  • cpe:/h:netgear:r6900:v2:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.2.124)
  • AND
  • cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/o:netgear:r6700_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.84)
  • AND
  • cpe:/h:netgear:r6700:v3:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6400:v2:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6700:v2:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6900:v2:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6700:v3:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear r6400 firmware *
    netgear r6400 -
    netgear r6400 firmware *
    netgear r6400 v2
    netgear r6700 firmware *
    netgear r6700 v2
    netgear r6900 firmware *
    netgear r6900 v2
    netgear r7000p firmware *
    netgear r7000p -
    netgear r6700 firmware *
    netgear r6700 v3
    netgear r6400 -
    netgear r7000p -
    netgear r6400 v2
    netgear r6700 v2
    netgear r6900 v2
    netgear r6700 v3