CVE-2011-4006

Summary

CVE	CVE-2011-4006
State	PUBLISHED
Assigner	cisco
Source Priority	CVE Program / NVD first with legacy fallback
Published	2012-05-02 10:09:21 UTC
Updated	2026-04-29 01:13:23 UTC
Description	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.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector

Network

Access Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

AV:N/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Hardware	Cisco	5500 Series Adaptive Security Appliance	All	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2.1	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2.2	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2.2	interim	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2.3	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2\(1\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2\(2\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2\(3.9\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2\(3\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2\(4.1\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2\(4.4\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2\(4\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.2\(5\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.3.1	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.3.1	interim	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.3.2	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.3\(1\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.3\(2\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.4	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.4\(1.11\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.4\(1\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.4\(2.11\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.4\(2\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.5	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.5\(1.4\)	All	All	All
Operating System	Cisco	Adaptive Security Appliance Software	8.5\(1\)	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Na	N/a	affected n/a	Not specified

References

Reference	Source	Link	Tags
Cisco ASA Bugs Let Remote Users Conduct HTTP Response Splitting and Denial of Service Attacks and Obtain Potentially Sensitive Information - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com
Cisco ASA 8.5.1 Interim Build Release Notes	af854a3a-2127-422b-91ae-364da2661108	www.cisco.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

There are currently no legacy QID mappings associated with this CVE.