Vulnerability Name:

CVE-2016-9497

Assigned:2016-11-21
Published:2017-02-15
Updated:2018-09-11
Summary:Hughes high-performance broadband satellite modems, models HN7740S DW7000 HN7000S/SM, is vulnerable to an authentication bypass using an alternate path or channel. By default, port 1953 is accessible via telnet and does not require authentication. An unauthenticated remote user can access many administrative commands via this interface, including rebooting the modem.
CVSS v3 Severity:8.8 High (CVSS v3 Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3 Vector: CVSS:3.0/AV:A/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): Adjacent
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
9.8 Critical (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3 Vector: CVSS:3.0/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
CVSS v2 Severity:8.3 High (CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-287
References:Source: XF
Type: UNKNOWN
hughes-cve20169497-sec-bypass(122125)

Source: CERT-VN
Type: VENDOR_ADVISORY
VU#614751

Source: BID
Type: VENDOR_ADVISORY
96244

Vulnerable Configuration:Configuration 1:
  • cpe:/o:hughes:hn7740s_firmware:6.9.0.34:*:*:*:*:*:*:*
  • AND
  • cpe:/h:hughes:hn7740s:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:hughes:dw7000_firmware:6.9.0.34:*:*:*:*:*:*:*
  • AND
  • cpe:/h:hughes:dw7000:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:hughes:hn7000s_firmware:6.9.0.34:*:*:*:*:*:*:*
  • AND
  • cpe:/h:hughes:hn7000s:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:hughes:hn7000sm_firmware:6.9.0.34:*:*:*:*:*:*:*
  • AND
  • cpe:/h:hughes:hn7000sm:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    hughes hn7740s firmware 6.9.0.34
    hughes hn7740s -
    hughes dw7000 firmware 6.9.0.34
    hughes dw7000 -
    hughes hn7000s firmware 6.9.0.34
    hughes hn7000s -
    hughes hn7000sm firmware 6.9.0.34
    hughes hn7000sm -