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mercredi 17 avril 2019

Cisco up to X12.5.0 XML API CPU Exhaustion denial of service

A vulnerability classified as problematic has been found in Cisco Expressway and TelePresence Video Communication Server up to X12.5.0 (Unified Communication Software). Affected is an unknown function of the component XML API. The manipulation with an unknown input leads to a denial of service vulnerability (CPU Exhaustion). CWE is classifying the issue as CWE-400. This is going to have an impact on availability.

The weakness was shared 04/18/2019 as cisco-sa-20190417-ces-tvcs-dos as confirmed advisory (Website). The advisory is available at This vulnerability is traded as CVE-2019-1720 since 12/06/2018. It is possible to launch the attack remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/18/2019).

Upgrading to version X12.5.1 eliminates this vulnerability.

The issues 133795 and 133796 are related to this entry.




CPE 2.3

CPE 2.2


VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍


VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Denial of service / CPU Exhaustion (CWE-400)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: Upgrade
Status: 🔍
0-Day Time: 🔒

Upgrade: Expressway/TelePresence Video Communication Server X12.5.1


12/06/2018 CVE assigned
04/18/2019 Advisory disclosed
04/18/2019 VulDB entry created
04/18/2019 VulDB last update


Advisory: cisco-sa-20190417-ces-tvcs-dos
Status: Confirmed

CVE: CVE-2019-1720 (🔒)
See also: 🔒


Created: 04/18/2019 08:16 PM
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 149


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