Vulnerability in Cisco iOS Xe

CVE-2013-6692

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.

Published 2013-11-22 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 6.3 (Medium). Vector: AV:N/AC:M/Au:S/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.009 (59.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Cisco iOS Xe — versions 3.8s\(.0\), 3.8s(.1), 3.7.2s

Weakness classification (CWE)

CWE-399

References

tools.cisco.com/security/center/viewAlert.x (Vendor Advisory)
tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6692 (vendor-advisory, Vendor Advisory)