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cveCiscoCVE-2013-5503
HistoryOct 02, 2013 - 10:55 p.m.

CVE-2013-5503

2013-10-0222:55:23
CWE-399
cisco
web.nvd.nist.gov
34
cisco
ios xr
udp
denial of service
vulnerability
cisco bug id
memory consumption
nvd
cve-2013-5503

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

AI Score

6.8

Confidence

High

EPSS

0.002

Percentile

53.2%

The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.

Affected configurations

Nvd
Node
ciscoios_xrMatch4.3.1
VendorProductVersionCPE
ciscoios_xr4.3.1cpe:2.3:o:cisco:ios_xr:4.3.1:*:*:*:*:*:*:*

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

AI Score

6.8

Confidence

High

EPSS

0.002

Percentile

53.2%