Vulnerability Name:

CVE-2019-20699 (CCN-180416)

Assigned:2019-09-05
Published:2019-09-05
Updated:2020-04-21
Summary:Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects GS105Ev2 before 1.6.0.4, GS105PE before 1.6.0.4, GS408EPP before 1.0.0.15, GS808E before 1.7.0.7, GS908E before 1.7.0.3, GSS108E before 1.6.0.4, and GSS108EPP before 1.0.0.15.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/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): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-20699

Source: XF
Type: UNKNOWN
netgear-cve201920699-bo(180416)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0538
Security Advisory for Pre-Authentication Buffer Overflow on Some Switches

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000061230/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Switches-PSV-2018-0538

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:gs105e_firmware:*:*:*:*:*:*:*:* (Version < 1.6.0.4)
  • AND
  • cpe:/h:netgear:gs105e:v2:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:gs105pe_firmware:*:*:*:*:*:*:*:* (Version < 1.6.0.4)
  • AND
  • cpe:/h:netgear:gs105pe:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:gs408epp_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.15)
  • AND
  • cpe:/h:netgear:gs408epp:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:gs808e_firmware:*:*:*:*:*:*:*:* (Version < 1.7.0.7)
  • AND
  • cpe:/h:netgear:gs808e:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netgear:gs908e_firmware:*:*:*:*:*:*:*:* (Version < 1.7.0.3)
  • AND
  • cpe:/h:netgear:gs908e:-:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/o:netgear:gss108e_firmware:*:*:*:*:*:*:*:* (Version < 1.6.0.4)
  • AND
  • cpe:/h:netgear:gss108e:-:*:*:*:*:*:*:*

  • Configuration 7:
  • cpe:/o:netgear:gss108epp_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.15)
  • AND
  • cpe:/h:netgear:gss108epp:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:netgear:gs408epp_firmware:1.0.0.15:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gs105pe_firmware:1.6.0.4:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gss108epp_firmware:1.0.0.15:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gs908e_firmware:1.7.0.3:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gs808e_firmware:1.7.0.7:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gs105ev2_firmware:1.6.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gss108e_firmware:1.6.0.4:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear gs105e firmware *
    netgear gs105e v2
    netgear gs105pe firmware *
    netgear gs105pe -
    netgear gs408epp firmware *
    netgear gs408epp -
    netgear gs808e firmware *
    netgear gs808e -
    netgear gs908e firmware *
    netgear gs908e -
    netgear gss108e firmware *
    netgear gss108e -
    netgear gss108epp firmware *
    netgear gss108epp -
    netgear gs408epp firmware 1.0.0.15
    netgear gs105pe firmware 1.6.0.4
    netgear gss108epp firmware 1.0.0.15
    netgear gs908e firmware 1.7.0.3
    netgear gs808e firmware 1.7.0.7
    netgear gs105ev2 firmware 1.6.0
    netgear gss108e firmware 1.6.0.4