Cisco CBOS up to 2.4.1 SYN Packet denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco CBOS up to 2.4.1. The impacted element is an unknown function of the component SYN Packet Handler. The manipulation leads to denial of service. This vulnerability is listed as CVE-2001-0055. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Cisco CBOS up to 2.4.1. This issue affects some unknown processing of the component SYN Packet 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:

CBOS 2.4.1 and earlier in Cisco 600 routers allows remote attackers to cause a denial of service via a slow stream of TCP SYN packets.

The weakness was presented 02/16/2001 as confirmed advisory (Website). It is possible to read the advisory at cisco.com. The identification of this vulnerability is CVE-2001-0055. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (5627). See VDB-16464, VDB-16465 and VDB-16466 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/16/2001 🔍
02/16/2001 +0 days 🔍
07/03/2014 +4885 days 🔍
04/07/2019 +1739 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Confirmed

CVE: CVE-2001-0055 (🔍)
GCVE (CVE): GCVE-0-2001-0055
GCVE (VulDB): GCVE-100-16463
X-Force: 5627 - Cisco CBOS SYN packets denial of service

See also: 🔍

Entryinfo

Created: 07/03/2014 12:42
Updated: 04/07/2019 15:54
Changes: 07/03/2014 12:42 (39), 04/07/2019 15:54 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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