Vulnerability Name:

CVE-2013-5546 (CCN-88450)

Assigned:2013-10-30
Published:2013-10-30
Updated:2021-10-05
Summary:The TCP reassembly feature in Cisco IOS XE 3.7 before 3.7.3S and 3.8 before 3.8.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via large TCP packets that are processed by the (1) NAT or (2) ALG component, aka Bug ID CSCud72509.
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 (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/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): Complete
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/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): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2013-5546

Source: CCN
Type: SA55530
Cisco IOS XE ASR TCP Reassembled Packets Handling Denial of Service Vulnerability

Source: CCN
Type: cisco-sa-20131030-asr1000
Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers

Source: CISCO
Type: Vendor Advisory
20131030 Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers

Source: CCN
Type: BID-63436
Cisco IOS XE TCP Segment Reassembly CVE-2013-5546 Multiple Denial of Service Vulnerabilities

Source: XF
Type: UNKNOWN
ciscoios-xe-cve20135546-dos(88450)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios_xe:3.7.1s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7.0s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7.2s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.8.0s:*:*:*:*:*:*:*
  • AND
  • cpe:/h:cisco:asr_1023_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_1001:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_1002:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_1006:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_1002-x:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_1004:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:ios_xe:3.4.1s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.4.0s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.1.0s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.4.0as:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.4.2s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.4.3s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.4.4s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.4.xs:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7.0s:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco ios xe 3.7.1s
    cisco ios xe 3.7.0s
    cisco ios xe 3.7.2s
    cisco ios xe 3.8.0s
    cisco asr 1023 router -
    cisco asr 1001 -
    cisco asr 1002 -
    cisco asr 1006 -
    cisco asr 1002-x -
    cisco asr 1004 -
    cisco ios xe 3.4.1s
    cisco ios xe 3.4.0s
    cisco ios xe 3.1.0s
    cisco ios xe 3.4.0as
    cisco ios xe 3.4.2s
    cisco ios xe 3.4.3s
    cisco ios xe 3.4.4s
    cisco ios xe 3.4.xs
    cisco ios xe 3.7.0s