CVE-2017-6628

Description

A vulnerability in SMART-SSL Accelerator functionality for Cisco Wide Area Application Services (WAAS) 6.2.1, 6.2.1a, and 6.2.3a could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition where the WAN optimization could stop functioning while the process restarts. The vulnerability is due to a Secure Sockets Layer/Transport Layer Security (SSL/TLS) alert being incorrectly handled when in a specific SSL/TLS connection state. An attacker could exploit this vulnerability by establishing a SMART-SSL connection through the targeted device. The attacker would then send a crafted stream of SSL/TLS traffic. An exploit could allow the attacker to cause a DoS condition where WAN optimization could stop processing traffic for a short period of time. Cisco Bug IDs: CSCvb71133.

Categories

6.8
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.63%
Vendor Advisory cisco.com
Affected: n/a Cisco Wide Area Application Services SMART-SSL Accelerator
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/98294 vdb entry third party advisory
http://www.securitytracker.com/id/1038399 vdb entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170503-waas vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-6628?
CVE-2017-6628 has been scored as a medium severity vulnerability.
How to fix CVE-2017-6628?
To fix CVE-2017-6628, 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-2017-6628 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-6628 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-2017-6628?
CVE-2017-6628 affects n/a Cisco Wide Area Application Services SMART-SSL Accelerator.
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