Cisco IOS up to 12.2 SSH Service resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Cisco IOS up to 12.2. The impacted element is an unknown function of the component SSH Service. Such manipulation leads to resource management. This vulnerability is listed as CVE-2002-1024. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS up to 12.2 (Router Operating System). Affected by this issue is an unknown part of the component SSH Service. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

Cisco IOS 12.0 through 12.2, when supporting SSH, allows remote attackers to cause a denial of service (CPU consumption) via a large packet that was designed to exploit the SSH CRC32 attack detection overflow (CVE-2001-0144).

The weakness was presented 10/04/2002 by Cisco with Cisco Systems as confirmed advisory (CERT.org). The advisory is available at kb.cert.org. This vulnerability is handled as CVE-2002-1024. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 48967 (Scanning for SSH Can Cause a Crash - 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43279 (Cisco IOS SSH Scanning Denial of Service Vulnerability (cisco-sa-20020627-ssh-scan)).

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 (9437), Tenable (48967), SecurityFocus (BID 5114†) and Vulnerability Center (SBV-2799†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Resource management
CWE: CWE-399 / 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: 48967
Nessus Name: Scanning for SSH Can Cause a Crash - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/27/2002 🔍
06/27/2002 +0 days 🔍
06/27/2002 +0 days 🔍
10/04/2002 +99 days 🔍
10/04/2002 +0 days 🔍
10/19/2003 +380 days 🔍
09/01/2010 +2509 days 🔍
07/29/2014 +1427 days 🔍
09/10/2025 +4061 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: kb.cert.org
Researcher: Cisco
Organization: Cisco Systems
Status: Confirmed

CVE: CVE-2002-1024 (🔍)
GCVE (CVE): GCVE-0-2002-1024
GCVE (VulDB): GCVE-100-18938

OVAL: 🔍

CERT: 🔍
X-Force: 9437
SecurityFocus: 5114 - Cisco SSH Denial of Service Vulnerability
Vulnerability Center: 2799 - [cisco-sa-20020627-ssh-scan] Cisco Firmware SSH Based DoS Attack, High

Entryinfo

Created: 07/29/2014 12:03
Updated: 09/10/2025 14:59
Changes: 07/29/2014 12:03 (69), 05/16/2019 16:29 (2), 01/21/2025 07:48 (17), 09/10/2025 14:59 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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