CVE-2014-3321 Denial of service in n/a
Remote attackers can cause denial of service on Cisco ASR 9000 devices via crafted MPLS packets when BVI routing is enabled.
- 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-2014-3321?
CVE-2014-3321 is a medium-severity denial of service vulnerability in Cisco Ios Xr, published on 18 Jul 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS XR 4.3.4 and earlier on ASR 9000 devices, when bridge-group virtual interface (BVI) routing is enabled, allows remote attackers to cause a denial of service (chip and card hangs) via a series of crafted MPLS packets, aka Bug ID CSCuo91149.
Weakness: CWE-20
Which versions are affected by CVE-2014-3321?
It affects 8 products.
Products include Cisco Asr 9000 Rsp440 Router, Cisco Asr 9001, Cisco Asr 9006, Cisco Asr 9010, Cisco Asr 9904, Cisco Asr 9912 and 2 more.
How do I fix CVE-2014-3321?
No fix has been published for CVE-2014-3321 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-2014-3321 being exploited?
There is no known exploitation of CVE-2014-3321 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xr
Sources
Also known as GHSA-w963-wfhc-pqh3.