CVE-2012-1357 — The igmp_snoop_orib_fill_source_update function in the IGMP process in NX-OS 5.0 and 5.1 on Cisco Nexus 5000 series switches allows remote attackers to cause a denial of service (device reload) via IGMP packets, aka Bug ID CSCts46521

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MEDIUM

The igmp_snoop_orib_fill_source_update function in the IGMP process in NX-OS 5.0 and 5.1 on Cisco Nexus 5000 series switches allows remote attackers to cause a denial of service (device reload) via IGMP packets, aka Bug ID CSCts46521

Published Aug 6, 2012

5.0

MEDIUM

CVSS 2.0

EPSS 1.23%

Description

The igmp_snoop_orib_fill_source_update function in the IGMP process in NX-OS 5.0 and 5.1 on Cisco Nexus 5000 series switches allows remote attackers to cause a denial of service (device reload) via IGMP packets, aka Bug ID CSCts46521.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.23% 0.01232

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

EPSS probability 0.01232

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 (12 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.23% (0.01232)	67.89th	v5 (v2026.06.15)
Jun 15, 2026	1.23% (0.01232)	64.96th	v5 (v2026.06.15)
Mar 17, 2025	0.47% (0.00474)	62.69th	v4 (v2025.03.14)
Dec 12, 2024	0.16% (0.00161)	54.06th	v3 (v2023.03.01)
Apr 25, 2024	0.14% (0.00137)	48.64th	v3 (v2023.03.01)
Mar 15, 2024	0.13% (0.00127)	46.29th	v3 (v2023.03.01)
Feb 8, 2024	0.11% (0.00115)	43.86th	v3 (v2023.03.01)
Mar 7, 2023	0.17% (0.00165)	51.41th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-119

Buffer Overflow

References (1)

http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/release/notes/Rel_5_1_3_N1_1/Nexus5000_Release_Notes_5_1_3_N1.pdf
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/release/notes/Rel_5_1_3_N1_1/Nexus5000_Release_Notes_5_1_3_N1.pdf		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Aug 6, 2012

Updated Sep 16, 2024

Reserved Feb 27, 2012

Link CVE-2012-1357

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-1357

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-1357