CVE-2017-6721

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

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).

Metrics

CVSS 3.0 5.3/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Jul 4, 2017
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2017

CVE-2017-67226.1A vulnerability in the Extensible Messaging and Presence Protocol (XMPP) service of Cisco Unified Contact Center Express (UCCx) could allow CVE-2017-67246.1A vulnerability in the web framework code of Cisco Prime Infrastructure could allow an unauthenticated, remote attacker to conduct a cross-s CVE-2017-67256.1A vulnerability in the web framework code of Cisco Prime Infrastructure could allow an unauthenticated, remote attacker to conduct a cross-s CVE-2017-67265.5A vulnerability in the CLI of the Cisco Prime Network Gateway could allow an authenticated, local attacker to retrieve system process inform CVE-2017-67275.3A vulnerability in the Server Message Block (SMB) protocol of Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, re CVE-2017-67287.0A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary code at the root privi CVE-2017-67297.5A vulnerability in the Border Gateway Protocol (BGP) processing functionality of the Cisco StarOS operating system for Cisco ASR 5000 Series CVE-2017-67305.3A vulnerability in the web-based GUI of Cisco Wide Area Application Services (WAAS) Central Manager could allow an unauthenticated, remote a CVE-2017-67317.5A vulnerability in Multicast Source Discovery Protocol (MSDP) ingress packet processing for Cisco IOS XR Software could allow an unauthentic CVE-2017-67326.7A vulnerability in the installation procedure for Cisco Prime Network Software could allow an authenticated, local attacker to elevate their CVE-2017-67336.1A vulnerability in the web-based application interface of the Cisco Identity Services Engine (ISE) portal could allow an unauthenticated, re CVE-2017-67345.4A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an authenticated, remote