Vulnerability Name:

CVE-2012-4651 (CCN-110766)

Assigned:2012-07-10
Published:2012-07-10
Updated:2014-04-23
Summary:Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of service (latency) via SYN packets that are not accompanied by SYN-ACK packets from the Scan Safe Tower, aka Bug ID CSCub85451.
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:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
3.2 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
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-189
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2012-4651

Source: CCN
Type: Cisco Web site
Release Notes for Cisco IOS Release 15.3M&T

Source: CONFIRM
Type: UNKNOWN
http://www.cisco.com/c/en/us/td/docs/ios/15_3m_and_t/release/notes/15_3m_and_t.pdf

Source: XF
Type: UNKNOWN
ciscoios-cve20124651-dos(110766)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios:15.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.3(2)s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.3(3)m:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.3(3)m1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:*:*:*:*:*:*:*:* (Version <= 15.3(3)m2)
  • OR cpe:/o:cisco:ios:15.3(3)s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.3s:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:ios:15.3:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco ios 15.3
    cisco ios 15.3(2)s
    cisco ios 15.3(3)m
    cisco ios 15.3(3)m1
    cisco ios *
    cisco ios 15.3(3)s
    cisco ios 15.3s
    cisco ios 15.3