CVE-2015-4217 Weak cryptography in n/a
Remote attackers can defeat cryptographic protections on Cisco security appliances by exploiting shared default SSH host keys across installations.
- 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-2015-4217?
CVE-2015-4217 is a medium-severity vulnerability in n/a, published on 26 Jun 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The remote-support feature on Cisco Web Security Virtual Appliance (WSAv), Email Security Virtual Appliance (ESAv), and Security Management Virtual Appliance (SMAv) devices before 2015-06-25 uses the same default SSH host keys across different customers' installations, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a private key from another installation, aka Bug IDs CSCus29681, CSCuu95676, and CSCuu96601.
Which versions are affected by CVE-2015-4217?
It affects 3 products.
Products include Cisco Content Security Management Virtual Appliance, Cisco Email Security Virtual Appliance, Cisco Web Security Virtual Appliance.
How do I fix CVE-2015-4217?
No fix has been published for CVE-2015-4217 yet. Limit exposure of the affected software until one is available.
Is CVE-2015-4217 being exploited?
There is no known exploitation of CVE-2015-4217 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rwpv-8h6r-wrrr.