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

Vendor	Product	Versions
n/a	Cisco Wide Area Application Services	Cisco Wide Area Application Services

References

http://www.securityfocus.com/bid/99200Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038747Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waasVendor Advisory
http://www.securityfocus.com/bid/99200Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038747Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waasVendor Advisory

Timeline

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

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