Vulnerability Details : CVE-2011-4006
The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.5 allows remote attackers to cause a denial of service (CPU consumption) via an unspecified closing sequence, aka Bug ID CSCtt32565.
Vulnerability category: Input validationDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-4006
Probability of exploitation activity in the next 30 days: 0.20%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 57 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-4006
| 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-2011-4006
-
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-2011-4006
-
http://www.cisco.com/web/software/283878312/88166/ASA-851-Interim-Release-Notes.html
Cisco ASA 8.5.1 Interim Build Release Notes
-
http://www.securitytracker.com/id?1027008
Cisco ASA Bugs Let Remote Users Conduct HTTP Response Splitting and Denial of Service Attacks and Obtain Potentially Sensitive Information - SecurityTracker
Products affected by CVE-2011-4006
- cpe:2.3:h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(1\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:interim:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(2\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3.9\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(1\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.1\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.4\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(5\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(2\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:interim:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(1\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(1.11\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(2\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5\(1\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(2.11\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5\(1.4\):*:*:*:*:*:*:*