CVE-2014-3262 — The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.3(3)S and earlier and IOS XE does not properly validate parameters in ITR control messages, which allows remote attackers to cause a denial of service (CEF outage and packet drops) via malformed messages, aka Bug ID CSCun73782

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MEDIUM

The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.3(3)S and earlier and IOS XE does not properly validate parameters in ITR control messages, which allows remote attackers to cause a denial of service (CEF outage and packet drops) via malformed messages, aka Bug ID CSCun73782

Published May 16, 2014

4.3

MEDIUM

CVSS 2.0

EPSS 1.55%

Description

The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.3(3)S and earlier and IOS XE does not properly validate parameters in ITR control messages, which allows remote attackers to cause a denial of service (CEF outage and packet drops) via malformed messages, aka Bug ID CSCun73782.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.55% 0.01550

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01550

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.55% (0.01550)	74.17th	v5 (v2026.06.15)
Jun 15, 2026	1.55% (0.01550)	71.77th	v5 (v2026.06.15)
Mar 17, 2025	0.45% (0.00454)	61.72th	v4 (v2025.03.14)
Dec 12, 2024	0.36% (0.00356)	72.91th	v3 (v2023.03.01)
Feb 8, 2024	0.36% (0.00356)	71.26th	v3 (v2023.03.01)
Mar 7, 2023	0.36% (0.00356)	67.60th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (3)

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3262
vendor-advisoryx_refsource_CISCOVendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=34233
x_refsource_CONFIRMVendor Advisory
http://www.securitytracker.com/id/1030243
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3262		vendor-advisoryx_refsource_CISCOVendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=34233		x_refsource_CONFIRMVendor Advisory
http://www.securitytracker.com/id/1030243		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published May 16, 2014

Updated Aug 6, 2024

Reserved May 7, 2014

Link CVE-2014-3262

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2014-3262

Red Hat

Severity n/a

Public date n/a

Links CVE-2014-3262