Cisco IOS up to 12.1XT TCP Service denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco IOS up to 12.1XT. Affected by this issue is some unknown functionality of the component TCP Service Handler. The manipulation leads to denial of service. This vulnerability is listed as CVE-2001-0750. There is no available exploit. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.1XT (Router Operating System). It has been rated as problematic. This issue affects some unknown processing of the component TCP Service Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Cisco IOS 12.1(2)T, 12.1(3)T allow remote attackers to cause a denial of service (reload) via a connection to TCP ports 3100-3999, 5100-5999, 7100-7999 and 10100-10999.

The bug was discovered 05/24/2001. The weakness was presented 05/24/2001 with Cisco (Website). The advisory is shared at cisco.com. The identification of this vulnerability is CVE-2001-0750. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 48955 (IOS Reload after Scanning Vulnerability - Cisco Systems), 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.

Addressing this vulnerability is possible by firewalling 3100-3999, 5100-5999, 7100-7999, 10100-10999.. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (6589), Tenable (48955), SecurityFocus (BID 2804†), OSVDB (800†) and Vulnerability Center (SBV-818†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 48955
Nessus Name: IOS Reload after Scanning Vulnerability - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

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

Firewalling: 🔍

Timelineinfo

05/24/2001 🔍
05/24/2001 +0 days 🔍
05/24/2001 +0 days 🔍
05/24/2001 +0 days 🔍
10/18/2001 +147 days 🔍
10/18/2001 +0 days 🔍
09/12/2002 +329 days 🔍
02/05/2003 +145 days 🔍
09/01/2010 +2765 days 🔍
07/09/2014 +1407 days 🔍
05/09/2019 +1764 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined

CVE: CVE-2001-0750 (🔍)
GCVE (CVE): GCVE-0-2001-0750
GCVE (VulDB): GCVE-100-17513

OVAL: 🔍

X-Force: 6589 - Cisco IOS TCP port connection denial of service
SecurityFocus: 2804 - Cisco IOS Router Scan Software Reloading Vulnerability
OSVDB: 800 - Cisco IOS Port Scan Remote DoS
Vulnerability Center: 818 - [cisco-sa-20010524-ios-tcp-scanner-reload] Cisco IOS Router Scan Software Reloading Vulnerability, High

Entryinfo

Created: 07/09/2014 16:55
Updated: 05/09/2019 00:17
Changes: 07/09/2014 16:55 (75), 05/09/2019 00:17 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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