Vulnerability Name:

CVE-2021-45555 (CCN-215958)

Assigned:2021-12-21
Published:2021-12-21
Updated:2022-01-04
Summary:Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7900P before 1.4.2.84, R7960P before 1.4.2.84, and R8000P before 1.4.2.84.
CVSS v3 Severity:6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/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): Adjacent
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
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
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
7.7 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
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-2021-45555

Source: XF
Type: UNKNOWN
netgear-psv20200480-command-exec(215958)

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064497/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0480

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0480
Security Advisory for Post-Authentication Command Injection on Some Routers

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.2.84)
  • AND
  • cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:r7960p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.2.84)
  • AND
  • cpe:/h:netgear:r7960p:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.2.84)
  • AND
  • cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:r7960p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear r7900p firmware *
    netgear r7900p -
    netgear r7960p firmware *
    netgear r7960p -
    netgear r8000p firmware *
    netgear r8000p -
    netgear r7960p -
    netgear r8000p -
    netgear r7900p -