VDB-4980 · CVE-2012-1310 · BID 52753

Cisco IOS 12.4/15.0/15.1/15.2 Firewall resource management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability, which was classified as critical, was found in Cisco IOS 12.4/15.0/15.1/15.2 (Router Operating System). Affected is an unknown part of the component Firewall. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability.

The weakness was published 03/28/2012 with Cisco as cisco-sa-20120328-zbfw as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2012-1310 since 02/27/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 58574 (Cisco IOS Software Zone-Based Firewall Vulnerabilities (cisco-sa-20120328-zbfw)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43235 (Cisco IOS Software Zone-Based Firewall Vulnerabilities (cisco-sa-20120328-zbfw)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (58574). Further details are available at packetstormsecurity.org. Similar entries are available at 4979, 4981, 4982 and 4983.






  • commercial


  • end of life (version)

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍



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

NVD Base Score: 🔍


Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 58574
Nessus Name: Cisco IOS Software Zone-Based Firewall Vulnerabilities (cisco-sa-20120328-zbfw)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

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


02/27/2012 🔍
03/28/2012 +30 days 🔍
03/28/2012 +0 days 🔍
03/28/2012 +0 days 🔍
03/28/2012 +0 days 🔍
03/28/2012 +0 days 🔍
03/29/2012 +1 days 🔍
03/29/2012 +0 days 🔍
03/29/2012 +0 days 🔍
04/02/2012 +4 days 🔍
04/02/2012 +0 days 🔍
03/22/2021 +3276 days 🔍


Vendor: cisco.com

Advisory: cisco-sa-20120328-zbfw
Researcher: http://www.cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2012-1310 (🔍)
SecurityTracker: 1026861 - Cisco IOS Zone-Based Firewall IP/HTTP/H.323/SIP Bugs Let Remote Users Deny Service
Vulnerability Center: 34751 - [cisco-sa-20120328-zbfw] Cisco IOS Zone-Based Firewall Memory Leak via Crafted IP Packets, High
SecurityFocus: 52753 - Cisco IOS Zone-Based Firewall Multiple Denial of Service Vulnerabilities
Secunia: 48608 - Cisco IOS Zone-Based Firewall Multiple Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 80696

Misc.: 🔍
See also: 🔍


Created: 04/02/2012 10:35 PM
Updated: 03/22/2021 11:57 AM
Changes: 04/02/2012 10:35 PM (73), 04/10/2017 12:17 PM (10), 03/22/2021 11:57 AM (3)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!