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).

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.82% Top 30%
Vendor Advisory cisco.com
Affected: n/a Cisco Wide Area Application Services
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waas vendor advisory
http://www.securitytracker.com/id/1038747 vdb entry third party advisory
http://www.securityfocus.com/bid/99200 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-6721?
CVE-2017-6721 has been scored as a medium severity vulnerability.
How to fix CVE-2017-6721?
To fix CVE-2017-6721, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6721 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-6721 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-6721?
CVE-2017-6721 affects n/a Cisco Wide Area Application Services.
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