CVE-2014-3335

Name: CVE-2014-3335
Creator: NVD / NIST
Published: 2014-08-26T10:55:04.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.11%

Last modified Jun 17, 2026

CVE-2014-3335 is a vulnerability of currently unknown severity. Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling of packets with multicast destination MAC addresses, which allows remote attackers to cause a denial of service (chip and card hangs) via a crafted packet, aka Bug ID CSCup77750.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling of packets with multicast destination MAC addresses, which allows remote attackers to cause a denial of service (chip and card hangs) via a crafted packet, aka Bug ID CSCup77750.

Metrics

EPSS Probability

1.11%

61.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Ios Xr	<= 4.3.2
Cisco	Ios Xr	4.3.0
Cisco	Ios Xr	4.3.1
Cisco	Asr 9000 Rsp440 Router	All versions
Cisco	Asr 9001	All versions
Cisco	Asr 9006	All versions
Cisco	Asr 9010	All versions
Cisco	Asr 9904	All versions
Cisco	Asr 9912	All versions
Cisco	Asr 9922	All versions

References

Timeline

Published: Aug 26, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-3335?

How severe is CVE-2014-3335?

Severity scoring for CVE-2014-3335 is pending analysis. The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2014-3335?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-3335?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST