CVE-2011-4667 Weak cryptography in n/a
Remote attackers can obtain unencrypted packets from encrypted sessions in Cisco IOS and NX-OS devices when IPSec is used.
- 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-2011-4667?
CVE-2011-4667 is a medium-severity vulnerability in Cisco Ios, published on 25 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The encryption library in Cisco IOS Software 15.2(1)T, 15.2(1)T1, and 15.2(2)T, Cisco NX-OS in Cisco MDS 9222i Multiservice Modular Switch, Cisco MDS 9000 18/4-Port Multiservice Module, and Cisco MDS 9000 Storage Services Node module before 5.2(6), and Cisco IOS in Cisco VPN Services Port Adaptor for Catalyst 6500 12.2(33)SXI, and 12.2(33)SXJ when IP Security (aka IPSec) is used, allows remote attackers to obtain unencrypted packets from encrypted sessions.
Weakness: CWE-310
Which versions are affected by CVE-2011-4667?
It affects 2 products.
Products include Cisco Ios, Cisco Nx-Os.
How do I fix CVE-2011-4667?
No fix has been published for CVE-2011-4667 yet. Limit exposure of the affected software until one is available.
Is CVE-2011-4667 being exploited?
There is no known exploitation of CVE-2011-4667 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-x2c2-mmqp-2682.