Vulnerability Name:

CVE-2018-21122 (CCN-180548)

Assigned:2018-09-26
Published:2018-09-26
Updated:2020-04-24
Summary:Certain NETGEAR devices are affected by denial of service. This affects GS110EMX before 1.0.0.9, GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/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): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/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): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:3.3 Low (CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
6.1 Medium (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-21122

Source: XF
Type: UNKNOWN
netgear-cve201821122-dos(180548)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0222
Security Advisory for Denial of Service on Some Switches

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000060236/Security-Advisory-for-Denial-of-Service-on-Some-Switches-PSV-2018-0222

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:gs110emx_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.9)
  • AND
  • cpe:/h:netgear:gs110emx:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:gs810emx_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.5)
  • AND
  • cpe:/h:netgear:gs810emx:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:xs512em_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.6)
  • AND
  • cpe:/h:netgear:xs512em:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:xs724em_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.6)
  • AND
  • cpe:/h:netgear:xs724em:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:gs810emx_firmware:1.0.0.5:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:xs512em_firmware:1.0.0.6:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:xs724em_firmware:1.0.0.6:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gs110emx_firmware:1.0.0.9:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear gs110emx firmware *
    netgear gs110emx -
    netgear gs810emx firmware *
    netgear gs810emx -
    netgear xs512em firmware *
    netgear xs512em -
    netgear xs724em firmware *
    netgear xs724em -
    netgear gs810emx firmware 1.0.0.5
    netgear xs512em firmware 1.0.0.6
    netgear xs724em firmware 1.0.0.6
    netgear gs110emx firmware 1.0.0.9