Cisco ASA DHCPv6 input validation

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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco ASA. Impacted is an unknown function of the component DHCPv6. Such manipulation leads to input validation. This vulnerability is documented as CVE-2014-2182. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Cisco ASA (Firewall Software) (affected version not known). Affected by this issue is some unknown functionality of the component DHCPv6. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. 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. Impacted is availability. CVE summarizes:

Cisco Adaptive Security Appliance (ASA) Software, when DHCPv6 replay is configured, allows remote attackers to cause a denial of service (device reload) via a crafted DHCPv6 packet, aka Bug ID CSCun45520.

The weakness was released 04/28/2014 with Cisco as CSCun45520 as confirmed security notice (Website). The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2014-2182 since 02/25/2014. The attack can only be initiated within the local network. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 74036 (Cisco ASA DHCPv6 Relay DoS (CSCun45520)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (92864), Tenable (74036), SecurityFocus (BID 67100†), Secunia (SA58026†) and SecurityTracker (ID 1030174†). tools.cisco.com is providing further details. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74036
Nessus Name: Cisco ASA DHCPv6 Relay DoS (CSCun45520)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

02/25/2014 🔍
04/28/2014 +62 days 🔍
04/28/2014 +0 days 🔍
04/28/2014 +0 days 🔍
04/29/2014 +1 days 🔍
04/29/2014 +0 days 🔍
04/29/2014 +0 days 🔍
04/30/2014 +1 days 🔍
04/30/2014 +0 days 🔍
05/01/2014 +1 days 🔍
05/16/2014 +15 days 🔍
05/12/2026 +4379 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCun45520
Organization: Cisco
Status: Confirmed

CVE: CVE-2014-2182 (🔍)
GCVE (CVE): GCVE-0-2014-2182
GCVE (VulDB): GCVE-100-13106
X-Force: 92864 - Cisco Adaptive Security Appliance DHCP denial of service, Medium Risk
SecurityFocus: 67100 - Cisco Adaptive Security Appliance (ASA) Software CVE-2014-2182 Denial of Service Vulnerability
Secunia: 58026 - Cisco Adaptive Security Appliance (ASA) DHCPv6 Packet Handling Denial of Service Vulnerabi, Less Critical
SecurityTracker: 1030174 - Cisco ASA DHCPv6 Replay Bug Lets Remote Users Deny Service
Vulnerability Center: 44347 - Cisco ASA Remote DoS via a Crafted DHCPv6 Packet When DHCPv6 Replay is Configured, Medium

Misc.: 🔍

Entryinfo

Created: 04/30/2014 22:25
Updated: 05/12/2026 05:04
Changes: 04/30/2014 22:25 (75), 05/27/2017 10:27 (6), 06/19/2021 08:42 (3), 05/12/2026 05:04 (15)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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