Vulnerability Details : CVE-2013-5549
Cisco IOS XR 3.8.1 through 4.2.0 does not properly process fragmented packets within the RP-A, RP-B, PRP, and DRP-B route-processor components, which allows remote attackers to cause a denial of service (transmission outage) via (1) IPv4 or (2) IPv6 traffic, aka Bug ID CSCuh30380.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2013-5549
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-2013-5549
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST |
References for CVE-2013-5549
-
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-iosxr
Cisco IOS XR Software Route Processor Denial of Service VulnerabilityVendor Advisory
Products affected by CVE-2013-5549
- cpe:2.3:o:cisco:ios_xr:3.8.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:3.8.4:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:3.9.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:3.8.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:3.8.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:3.9.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:4.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:3.9.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*