Denial of Service Vulnerability in Cisco WAAS
CVE-2017-6721

5.3MEDIUM

Key Information:

Vendor

Cisco
Status
Cisco Wide Area Application Services
Vendor
CVE Published:
4 July 2017

What is CVE-2017-6721?

A vulnerability in the processing of fragmented TCP packets by Cisco Wide Area Application Services (WAAS) could enable an unauthenticated remote attacker to trigger an unexpected restart of the WAASNET process. This can lead to a denial of service (DoS) condition, disrupting services for legitimate users and impacting overall network stability. The issue specifically affects WAAS version 6.3(1), while fixes are available in versions 6.3(0.143) and 6.2(3c)6 and 6.2(3.22).

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Deploy the Patch

Affected Version(s)

Cisco Wide Area Application Services Cisco Wide Area Application Services

References

https://tools.cisco.com/security/center/content/CiscoSecu...
x_refsource_CONFIRM
http://www.securitytracker.com/id/1038747
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/99200
vdb-entryx_refsource_BID

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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