CVE-2015-0632 — Race condition in the Neighbor Discovery (ND) protocol implementation in Cisco IOS and IOS XE allows remote attackers to cause a denial of service via a flood of Router Solicitation messages on the local network, aka Bug ID CSCuo67770

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MEDIUM

Race condition in the Neighbor Discovery (ND) protocol implementation in Cisco IOS and IOS XE allows remote attackers to cause a denial of service via a flood of Router Solicitation messages on the local network, aka Bug ID CSCuo67770

Published Feb 27, 2015

5.7

MEDIUM

CVSS 2.0

EPSS 0.60%

Description

Race condition in the Neighbor Discovery (ND) protocol implementation in Cisco IOS and IOS XE allows remote attackers to cause a denial of service via a flood of Router Solicitation messages on the local network, aka Bug ID CSCuo67770.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.60% 0.00602

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

EPSS probability 0.00602

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	0.60% (0.00602)	46.87th	v5 (v2026.06.15)
Jun 15, 2026	0.60% (0.00602)	43.94th	v5 (v2026.06.15)
Mar 17, 2025	0.18% (0.00178)	37.03th	v4 (v2025.03.14)
Dec 12, 2024	0.45% (0.00446)	75.81th	v3 (v2023.03.01)
Feb 8, 2024	0.45% (0.00446)	74.24th	v3 (v2023.03.01)
Mar 7, 2023	0.45% (0.00446)	71.00th	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-362

Race Condition

References (3)

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0632
vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/72797
vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1031816
vdb-entryx_refsource_SECTRACK

Link	Providers	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0632		vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/72797		vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1031816		vdb-entryx_refsource_SECTRACK

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Feb 27, 2015

Updated Aug 6, 2024

Reserved Jan 7, 2015

Link CVE-2015-0632

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-0632

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-0632