Vulnerability Name:

CVE-2015-0743 (CCN-103554)

Assigned:2015-05-29
Published:2015-05-29
Updated:2017-01-04
Summary:Cisco Headend System Release allows remote attackers to cause a denial of service (DHCP and TFTP outage) via a flood of crafted UDP traffic, aka Bug ID CSCus04097.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
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): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-0743

Source: CCN
Type: Cisco Vulnerability Alert 38938
Cisco Headend System Release UDP TFTP and DHCP Denial of Service Vulnerability

Source: CISCO
Type: Vendor Advisory
20150529 Cisco Headend System Release UDP TFTP and DHCP Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1032445

Source: XF
Type: UNKNOWN
cisco-headend-cve20150743-dos(103554)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:headend_digital_broadband_delivery_system:-:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:headend_system_release:2.5:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:headend_system_release:2.7:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:headend_system_release:3.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:headend_system_release:3.5:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:headend_system_release:3.7:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:headend_system_release:i4.3:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:headend_system_release:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco headend digital broadband delivery system -
    cisco headend system release 2.5
    cisco headend system release 2.7
    cisco headend system release 3.2
    cisco headend system release 3.5
    cisco headend system release 3.7
    cisco headend system release i4.3
    cisco headend system release -