RSA Bsafe Crypto-c up to 6.3.0 Libraries denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as problematic, has been found in RSA Bsafe Crypto-c up to 6.3.0. Affected by this issue is some unknown functionality of the component Libraries. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The program does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was published 05/23/2007 with US-CERT as confirmed advisory ( The advisory is shared for download at This vulnerability is handled as CVE-2006-3894 since 07/26/2006. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 49004 (Vulnerability In Crypto Library - Cisco Systems), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading to version 6.3.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (34430) and Tenable (49004).





  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 49004
Nessus Name: Vulnerability In Crypto Library - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍
Upgrade: Bsafe Crypto-c 6.3.1


07/26/2006 🔍
05/22/2007 +300 days 🔍
05/22/2007 +0 days 🔍
05/22/2007 +0 days 🔍
05/22/2007 +0 days 🔍
05/23/2007 +1 days 🔍
05/23/2007 +0 days 🔍
05/23/2007 +0 days 🔍
05/28/2007 +4 days 🔍
09/01/2010 +1192 days 🔍
03/13/2015 +1654 days 🔍
07/20/2021 +2321 days 🔍



Organization: US-CERT
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-3894 (🔍)

X-Force: 34430
SecurityTracker: 1018095 - RSA BSAFE ASN.1 Parsing Bug Lets Remote Users Deny Service
Vulnerability Center: 15234 - [cisco-sa-20070522-crypto, cisco-air-20070522-crypto, cisco-amb-20070522-crypto] RSA Bsafe Cryptology Libraries Vulnerabilities Allows Remote Attacker To Cause DoS, High
SecurityFocus: 24104 - RSA BSAFE Library Remote ASN.1 Denial of Service Vulnerability
Secunia: 25364 - Cisco Products Crypto Library Denial of Service, Moderately Critical
OSVDB: 35338 - RSA Crypto-C / Cert-C Malformed ASN.1 Object DoS
Vupen: ADV-2007-1908


Created: 03/13/2015 02:56 PM
Updated: 07/20/2021 07:19 AM
Changes: 03/13/2015 02:56 PM (70), 09/16/2017 10:19 AM (12), 07/20/2021 07:19 AM (3)
Complete: 🔍


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