CVE-2017-12228 Weak cryptography in Cisco IOS and IOS XE
Insufficient certificate validation in Cisco Network Plug and Play allows attackers to perform man-in-the-middle attacks and decrypt confidential user data.
- 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-2017-12228?
CVE-2017-12228 is a medium-severity vulnerability in Cisco Ios, published on 28 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the Cisco Network Plug and Play application of Cisco IOS 12.4 through 15.6 and Cisco IOS XE 3.3 through 16.4 could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data by using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software. Cisco Bug IDs: CSCvc33171.
Which versions are affected by CVE-2017-12228?
It affects 2 products.
Products include Cisco Ios, Cisco Ios Xe.
How do I fix CVE-2017-12228?
No fix has been published for CVE-2017-12228 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-12228 being exploited?
There is no known exploitation of CVE-2017-12228 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-58h4-9j5q-gmvr.