Vulnerability Details : CVE-2016-6416
The FTP service in Cisco AsyncOS on Email Security Appliance (ESA) devices 9.6.0-000 through 9.9.6-026, Web Security Appliance (WSA) devices 9.0.0-162 through 9.5.0-444, and Content Security Management Appliance (SMA) devices allows remote attackers to cause a denial of service via a flood of FTP traffic, aka Bug IDs CSCuz82907, CSCuz84330, and CSCuz86065.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2016-6416
- cpe:2.3:a:cisco:web_security_appliance:9.1.0-000:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_appliance:9.5.0-235:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_appliance:9.5.0-284:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_appliance:9.1.0-070:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_appliance:9.1_base:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_appliance:9.5.0-444:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_appliance:9.5_base:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_appliance:9.0.0-162:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:content_security_management_appliance:9.1.0-103:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:content_security_management_appliance:9.1.0-004:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:content_security_management_appliance:9.1.0-033:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:content_security_management_appliance:9.1.0-031:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:content_security_management_appliance:9.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:content_security_management_appliance:9.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:content_security_management_appliance:9.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.6.0-042:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.6.0-051:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.6.0-000:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.9.6-026:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.7.1-066:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.9_base:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-6416
0.94%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-6416
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2016-6416
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-6416
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http://www.securitytracker.com/id/1036915
Cisco Content Security Management Appliance AsyncOS Lack of FTP Throttling Lets Remote Users Deny Service - SecurityTracker
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http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aos
Cisco AsyncOS File Transfer Protocol Denial of Service VulnerabilityVendor Advisory
-
http://www.securitytracker.com/id/1036917
Cisco Email Security Appliance AsyncOS Lack of FTP Throttling Lets Remote Users Deny Service - SecurityTracker
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http://www.securityfocus.com/bid/93198
Multiple Cisco Products CVE-2016-6416 Denial of Service Vulnerability
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http://www.securitytracker.com/id/1036916
Cisco Web Security Appliance AsyncOS Lack of FTP Throttling Lets Remote Users Deny Service - SecurityTracker
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