CVE-2014-2183

What it is

The L2TP module in Cisco IOS XE 3.10S(.2) and earlier on ASR 1000 routers allows remote authenticated users to cause a denial of service (ESP card reload) via a malformed L2TP packet, aka Bug ID CSCun09973.

At a glance

Exploitability

Can be exploited over the network with a login. High risk of service disruption.

Exploit odds

1.3% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2014-04-29 10:37 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:06 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.3% in the next 30 days (EPSS).
• Severity: 6.3 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2014-04-29 10:37 UTC

Last modified

2026-06-17 00:06 UTC

Exploit probability

1.3% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Cisco iOS Xe ≤ 3.10.2s
• Cisco iOS Xe 3.10
• Cisco iOS Xe 3.10.0s
• Cisco iOS Xe 3.10.1s
• Cisco iOS Xe 3.10.1s1
• Cisco Asr 1001
• Cisco Asr 1002
• Cisco Asr 1002-x

Attack profile CVSS 2.0 · 6.3

Attack vector

Network

Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2014-2183.md and follow it. Check whether this project is affected by CVE-2014-2183. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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