CVE-2017-6721

Severity Score

5.3

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in the ingress processing of fragmented TCP packets by Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause the WAASNET process to restart unexpectedly, causing a denial of service (DoS) condition. More Information: CSCvc57428. Known Affected Releases: 6.3(1). Known Fixed Releases: 6.3(0.143) 6.2(3c)6 6.2(3.22).

Una vulnerabilidad en el procesamiento de ingreso de paquetes TCP fragmentados por Wide Area Application Services (WAAS) de Cisco, podría permitir a un atacante remoto no identificado causar que el proceso WAASNET se reinicie inesperadamente, causando una condición de denegación de servicio (DoS). Más información: CSCvc57428. Versiones Afectadas Conocidas: 6.3(1). Versiones Fijas Conocidas: 6.3(0.143) 6.2(3c) 6 6.2(3.22).

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-03-09 CVE Reserved
2017-07-04 CVE Published
2023-03-07 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (3)

URL	Tag	Source
http://www.securityfocus.com/bid/99200	Third Party Advisory
http://www.securitytracker.com/id/1038747	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waas	2017-07-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Wide Area Application Services Search vendor "Cisco" for product "Wide Area Application Services"				6.3\(1\) Search vendor "Cisco" for product "Wide Area Application Services" and version "6.3\(1\)"		-		Affected