Vulnerability Details : CVE-2013-5503
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2013-5503
Probability of exploitation activity in the next 30 days: 0.13%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 46 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-5503
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST |
CWE ids for CVE-2013-5503
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-5503
-
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131002-iosxr
Cisco IOS XR Software Memory Exhaustion VulnerabilityVendor Advisory
Products affected by CVE-2013-5503
- cpe:2.3:o:cisco:ios_xr:4.3.1:*:*:*:*:*:*:*