VDB-17536 · CVE-2001-0773 · VU#312761

Cayman 3220-H DSL Router 1.0 TCP Connect Request 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 has been found in Cayman 3220-H DSL Router 1.0 (Router Operating System) and classified as problematic. This vulnerability affects an unknown functionality of the component TCP Connect Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Cayman 3220-H DSL Router 1.0 allows remote attacker to cause a denial of service (crash) via a series of SYN or TCP connect requests.

The weakness was released 10/18/2001 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2001-0773. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Proper firewalling of is able to address this issue.

The vulnerability is also documented in the databases at X-Force (6825) and SecurityFocus (BID 3001†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

Cayman

Name

3220-H DSL Router

Version

CPE 2.3info

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CPE 2.2info

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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

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/09/2001 🔍
10/18/2001 +101 days 🔍
10/18/2001 +0 days 🔍
07/09/2014 +4647 days 🔍
12/15/2024 +3812 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed

CVE: CVE-2001-0773 (🔍)
GCVE (CVE): GCVE-0-2001-0773
GCVE (VulDB): GCVE-100-17536
CERT: 🔍
X-Force: 6825 - Cayman DSL router port scan denial of service
SecurityFocus: 3001 - Cayman-DSL Router Portscan Denial of Service Vulnerability

Entryinfo

Created: 07/09/2014 05:37 PM
Updated: 12/15/2024 02:34 AM
Changes: 07/09/2014 05:37 PM (39), 04/09/2019 03:27 PM (16), 12/15/2024 02:34 AM (17)
Complete: 🔍
Cache ID: 18:85C:40