CVE-2017-6727 Denial of service in Cisco Wide Area Application Services
Unauthenticated remote attackers can cause a denial of service on Cisco WAAS devices by triggering a process restart via the SMB protocol.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-6727?
CVE-2017-6727 is a medium-severity denial of service vulnerability in Cisco Wide Area Application Services, published on 10 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the Server Message Block (SMB) protocol of Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device due to a process restarting unexpectedly and creating Core Dump files. More Information: CSCvc63035. Known Affected Releases: 6.2(3a). Known Fixed Releases: 6.3(0.167) 6.2(3c)5 6.2(3.22).
Weakness: CWE-20
Which versions are affected by CVE-2017-6727?
It affects 1 product.
Products include Cisco Wide Area Application Services.
How do I fix CVE-2017-6727?
No fix has been published for CVE-2017-6727 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-6727 being exploited?
There is no known exploitation of CVE-2017-6727 in the wild and no public exploit code.
Other vulnerabilities in Cisco Wide Area Application Services
Sources
Also known as GHSA-vjfw-78fc-xj4h.