CVE-2013-6692

What it is

Cisco IOS XE 3.8S(.2) and earlier does not properly use a DHCP pool during assignment of an IP address, which allows remote authenticated users to cause a denial of service (device reload) via an AAA packet that triggers an address requirement, aka Bug ID CSCuh04949.

At a glance

Exploitability

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

Exploit odds

0.9% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2013-11-22 01:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:00 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.9% in the next 30 days (EPSS).
• Severity: 6.3 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2013-11-22 01:55 UTC

Last modified

2026-06-17 00:00 UTC

Exploit probability

0.9% · EPSS, next 30 days

Weakness

CWE-399

Record status

Modified

Affected

• Cisco iOS Xe ≤ 3.8s\(.2\)
• Cisco iOS Xe 3.7.0s
• Cisco iOS Xe 3.7.1s
• Cisco iOS Xe 3.7.2s
• Cisco iOS Xe 3.8.0s
• Cisco iOS Xe 3.8s\(.0\)
• Cisco iOS Xe 3.8s\(.1\)

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?

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