Vulnerability Details : CVE-2015-6421
cifs-ao in the CIFS optimization functionality on Cisco Wide Area Application Service (WAAS) and Virtual WAAS (vWAAS) devices 5.x before 5.3.5d and 5.4 and 5.5 before 5.5.3 allows remote attackers to cause a denial of service (resource consumption and device reload) via crafted network traffic, aka Bug ID CSCus85330.
Vulnerability category: Denial of service
Products affected by CVE-2015-6421
- cpe:2.3:a:cisco:wide_area_application_services:5.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.3.5c:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.3.5b:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.1.1c:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.1.1b:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.1.1d:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.3.5a:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.1.1a:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wide_area_application_services:5.2_base:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-6421
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-6421
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2015-6421
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-6421
-
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-waascifs
Cisco Wide Area Application Service CIFS Denial of Service VulnerabilityVendor Advisory
-
http://www.securitytracker.com/id/1034831
Cisco Wide Area Application Services CIFS Flow Handling Flaw Lets Remote Users Consume Excessive Buffer Resources - SecurityTracker
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