Medium severity5.3NVD Advisory· Published Jul 4, 2017· Updated May 13, 2026
CVE-2017-6721
CVE-2017-6721
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).
Affected products
2- cpe:2.3:a:cisco:wide_area_application_services:6.3\(1\):*:*:*:*:*:*:*
- Range: Cisco Wide Area Application Services
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- www.securityfocus.com/bid/99200nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038747nvdThird Party AdvisoryVDB Entry
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waasnvdVendor Advisory
News mentions
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