Ascend Multilink PPP for ISDN up to 4.6 Endpoint Identifier 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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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Ascend Multilink PPP for ISDN up to 4.6. Affected by this vulnerability is an unknown functionality of the component Endpoint Identifier Handler. Such manipulation leads to denial of service. This vulnerability is listed as CVE-1999-1203. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Ascend Multilink PPP for ISDN up to 4.6. It has been rated as problematic. Affected by this issue is an unknown functionality of the component Endpoint Identifier 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. CVE summarizes:

Multilink PPP for ISDN dialup users in Ascend before 4.6 allows remote attackers to cause a denial of service via a spoofed endpoint identifier.

The weakness was presented 02/12/1999 as not defined posting (Bugtraq). The advisory is available at marc.theaimsgroup.com. This vulnerability is handled as CVE-1999-1203. The exploitation is known to be easy. 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.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (7498). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/12/1999 🔍
02/12/1999 +0 days 🔍
06/20/2014 +5607 days 🔍
04/18/2026 +4320 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Status: Confirmed

CVE: CVE-1999-1203 (🔍)
GCVE (CVE): GCVE-0-1999-1203
GCVE (VulDB): GCVE-100-14498
X-Force: 7498

Entryinfo

Created: 06/20/2014 16:44
Updated: 04/18/2026 12:17
Changes: 06/20/2014 16:44 (39), 04/04/2019 09:41 (9), 04/18/2026 12:17 (18)
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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