Vulnerability Name:

CVE-2021-45679 (CCN-216002)

Assigned:2021-12-22
Published:2021-12-22
Updated:2022-07-12
Summary:Certain NETGEAR devices are affected by privilege escalation. This affects R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, and RS400 before 1.5.1.80.
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
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-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-45679

Source: XF
Type: UNKNOWN
netgear-psv20210043-priv-esc(216002)

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000064528/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-PSV-2021-0043

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0043
Security Advisory for Vertical Privilege Escalation on Some Routers

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.3.140)
  • AND
  • cpe:/h:netgear:r6900p:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:r7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.11.126)
  • AND
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.3.140)
  • AND
  • cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:rs400_firmware:*:*:*:*:*:*:*:* (Version < 1.5.1.80)
  • AND
  • cpe:/h:netgear:rs400:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rs400:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6900p:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear r6900p firmware *
    netgear r6900p -
    netgear r7000 firmware *
    netgear r7000 -
    netgear r7000p firmware *
    netgear r7000p -
    netgear rs400 firmware *
    netgear rs400 -
    netgear r7000p -
    netgear r7000 -
    netgear rs400 -
    netgear r6900p -