Vulnerability Name:

CCN-69635

Published:2011-09-01
Updated:2011-09-01
Summary:Cisco NX-OS is vulnerable to a denial of service, caused by the improper handling of packets. By sending a specially-crafted CDP packet, a remote attacker could exploit this vulnerability to corrupt the heap memory to gain administrative access to the device and cause a denial of service.
CVSS v3 Severity: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)
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:7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
7.0 High (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:F/RL:U/RC:UR)
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 Consequences:Denial of Service
References:Source: CCN
Type: BID-49472
Cisco NX-OS CDP Packety Remote Heap Memory Corruption Vulnerability

Source: CCN
Type: Core Security Technologies Web site
Cisco NX-OS CDP Remote Exploit

Source: XF
Type: UNKNOWN
cisco-nxos-packet-dos(69635)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:cisco:nx-os:4.0(1a)n2(1):*:*:*:*:*:*:*
  • OR cpe:/o:cisco:nx-os:4.1(3)n2(1a):*:*:*:*:*:*:*
  • OR cpe:/o:cisco:nx-os:4.2(3):*:*:*:*:*:*:*
  • OR cpe:/o:cisco:nx-os:5.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco nx-os 4.0(1a)n2(1)
    cisco nx-os 4.1(3)n2(1a)
    cisco nx-os 4.2(3)
    cisco nx-os 5.0