CVE-2014-3356 Denial of service in n/a
Remote attackers can cause a device reload via malformed RSVP packets in Cisco IOS, requiring an upgrade to mitigate.
- 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-2014-3356?
CVE-2014-3356 is a high-severity denial of service vulnerability in Cisco Ios Xe, published on 25 Sep 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The metadata flow feature in Cisco IOS 15.1 through 15.3 and IOS XE 3.3.xXO before 3.3.1XO, 3.6.xS and 3.7.xS before 3.7.6S, and 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S allows remote attackers to cause a denial of service (device reload) via malformed RSVP packets, aka Bug ID CSCue22753.
Weakness: CWE-119
Which versions are affected by CVE-2014-3356?
It affects 1 product.
Products include Cisco Ios Xe.
How do I fix CVE-2014-3356?
No fix has been published for CVE-2014-3356 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-2014-3356 being exploited?
There is no known exploitation of CVE-2014-3356 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xe
- CVE-2023-20198 Cisco IOS XE Web UI Privilege Escalation
- CVE-2018-0151 Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution
- CVE-2023-20273 Cisco IOS XE Web UI Command Injection
- CVE-2025-20188 Hardcoded credentials in Cisco IOS XE Software
- CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability
Sources
Also known as GHSA-58r9-hhg2-63wm.