CVE-2015-4200 Denial of service in n/a
Remote attackers can cause denial of service via memory consumption in Cisco IOS UBR devices by triggering errors during CPE negotiation.
- 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-2015-4200?
CVE-2015-4200 is a high-severity denial of service vulnerability in Cisco Ios, published on 23 Jun 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (memory consumption) by triggering an error during CPE negotiation, aka Bug ID CSCug00885.
Weakness: CWE-399
Which versions are affected by CVE-2015-4200?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2015-4200?
No fix has been published for CVE-2015-4200 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-2015-4200 being exploited?
There is no known exploitation of CVE-2015-4200 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-5r6c-r963-4qqw.