Vulnerability Details : CVE-2015-6291
Cisco AsyncOS before 8.5.7-043, 9.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-046 on Email Security Appliance (ESA) devices mishandles malformed fields during body-contains, attachment-contains, every-attachment-contains, attachment-binary-contains, dictionary-match, and attachment-dictionary-match filtering, which allows remote attackers to cause a denial of service (memory consumption) via a crafted attachment in an e-mail message, aka Bug ID CSCuv47151.
Vulnerability category: Denial of service
Products affected by CVE-2015-6291
- cpe:2.3:a:cisco:email_security_appliance:8.0_base:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:8.5_base:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:8.5.6-113:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.1.0-032:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:8.5.6-073:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.0.0-461:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:8.5.6-052:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.0.0-212:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:8.5.7-042:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.6.0-042:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:9.0.5-000:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:8.5.6-106:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:8.5.6-074:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:7.7.0-000:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:7.7.1-000:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-6291
1.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-6291
| 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 |
CWE ids for CVE-2015-6291
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-6291
-
http://www.securitytracker.com/id/1034064
Cisco Email Security Appliance Email Scanner Bug Lets Remote Users Consume Excessive Memory Resources - SecurityTracker
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http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-esa2
Cisco Email Security Appliance Email Scanner Denial of Service VulnerabilityVendor Advisory
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