Cisco IOS 12.0sc Transmission Control Protocol denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Cisco IOS 12.0sc. It has been classified as problematic. This issue affects some unknown processing of the component Transmission Control Protocol. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2007-0481. There is no exploit available. It is recommended to apply a patch to fix this issue.
Details
A vulnerability, which was classified as critical, was found in Cisco IOS 12.0sc (Router Operating System). This affects an unknown code block of the component Transmission Control Protocol. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:
Cisco IOS allows remote attackers to cause a denial of service (crash) via a crafted IPv6 Type 0 Routing header.
The bug was discovered 01/24/2007. The weakness was shared 01/24/2007 with Cisco as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. This vulnerability is uniquely identified as CVE-2007-0481 since 01/24/2007. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 48998 (IPv6 Routing Header Vulnerability), 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 43173 (Cisco IOS IPv6 Routing Header Vulnerability (cisco-sa-20070124-IOS-IPv6)).
Applying a patch is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (31715), Tenable (48998), SecurityFocus (BID 22210†), OSVDB (32091†) and Secunia (SA23867†). The entries VDB-2881, VDB-2880, VDB-2879 and VDB-34598 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 48998
Nessus Name: IPv6 Routing Header Vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
01/24/2007 🔍01/24/2007 🔍
01/24/2007 🔍
01/24/2007 🔍
01/24/2007 🔍
01/24/2007 🔍
01/24/2007 🔍
01/24/2007 🔍
01/25/2007 🔍
01/25/2007 🔍
01/25/2007 🔍
09/01/2010 🔍
03/13/2015 🔍
06/14/2025 🔍
Sources
Vendor: cisco.comAdvisory: kb.cert.org
Organization: Cisco
Status: Confirmed
CVE: CVE-2007-0481 (🔍)
GCVE (CVE): GCVE-0-2007-0481
GCVE (VulDB): GCVE-100-34599
OVAL: 🔍
CERT: 🔍
X-Force: 31715
SecurityFocus: 22210 - Cisco IOS IPv6 Source Routing Remote Memory Corruption Vulnerability
Secunia: 23867 - Cisco IOS Multiple Vulnerabilities, Highly Critical
OSVDB: 32091 - Cisco IOS Crafted IPv6 Type 0 Routing Header DoS
SecurityTracker: 1017550
Vulnerability Center: 14151 - [cisco-sa-20070124-IOS-IPv6] Cisco IOS IPv6 Type 0 Routing Header Vulnerability, Critical
Vupen: ADV-2007-0329
See also: 🔍
Entry
Created: 03/13/2015 10:40Updated: 06/14/2025 01:52
Changes: 03/13/2015 10:40 (75), 07/14/2019 09:30 (10), 12/19/2024 12:09 (17), 06/14/2025 01:52 (2)
Complete: 🔍
Cache ID: 216:A1A:103
Be aware that VulDB is the high quality source for vulnerability data.
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