VDB-17513 · CVE-2001-0750 · XFDB 6589

Cisco IOS up to 12.1XT TCP Service denial of service

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.
5.2	$0-$5k	0.00

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) and Tenable (48955).

Productinfo

Type

Router Operating System

Vendor

Cisco

Name

Version

12.1XT

License

commercial

Support

end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

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 (🔍)
OVAL: 🔍

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

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: 🔍