CVE-2014-3322

What it is

Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling of IP packets, which allows remote attackers to cause a denial of service (chip and card hangs) via malformed (1) IPv4 or (2) IPv6 packets, aka Bug ID CSCuo68417.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of service disruption.

Exploit odds

1.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2014-07-24 14:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:07 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.2% in the next 30 days (EPSS).
• Severity: 6.1 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2014-07-24 14:55 UTC

Last modified

2026-06-17 00:07 UTC

Exploit probability

1.2% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Cisco iOS Xr ≤ 4.3.2
• Cisco iOS Xr 4.3.0
• Cisco iOS Xr 4.3.1
• Cisco Asr 9000 rsp440 Router
• Cisco Asr 9001
• Cisco Asr 9006
• Cisco Asr 9010
• Cisco Asr 9904

Attack profile CVSS 2.0 · 6.1

Attack vector

Adjacent network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Is it in your code?

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