CVE-2012-1340 — The Fibre Channel over IP (FCIP) implementation in Cisco MDS NX-OS 4.2 and 5.2 on MDS 9000 series switches allows remote attackers to cause a denial of service (module reload) via a crafted FCIP header, aka Bug ID CSCtn93151

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MEDIUM

The Fibre Channel over IP (FCIP) implementation in Cisco MDS NX-OS 4.2 and 5.2 on MDS 9000 series switches allows remote attackers to cause a denial of service (module reload) via a crafted FCIP header, aka Bug ID CSCtn93151

Published Aug 6, 2012

5.0

MEDIUM

CVSS 2.0

EPSS 1.73%

Description

The Fibre Channel over IP (FCIP) implementation in Cisco MDS NX-OS 4.2 and 5.2 on MDS 9000 series switches allows remote attackers to cause a denial of service (module reload) via a crafted FCIP header, aka Bug ID CSCtn93151.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.73% 0.01733

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

EPSS probability 0.01733

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	1.73% (0.01733)	76.81th	v5 (v2026.06.15)
Jun 15, 2026	1.22% (0.01220)	64.60th	v5 (v2026.06.15)
Mar 17, 2025	0.68% (0.00677)	69.82th	v4 (v2025.03.14)
Dec 12, 2024	0.18% (0.00181)	56.68th	v3 (v2023.03.01)
Jun 27, 2023	0.18% (0.00181)	54.20th	v3 (v2023.03.01)
Mar 7, 2023	0.19% (0.00186)	54.19th	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 (2)

http://www.cisco.com/en/US/docs/switches/datacenter/mds9000/sw/5_2/release/notes/nx-os/mds_nxos_rel_notes_522.html
x_refsource_CONFIRMVendor Advisory
http://www.securitytracker.com/id?1027348
vdb-entryx_refsource_SECTRACK

Link	Providers	Tags
http://www.cisco.com/en/US/docs/switches/datacenter/mds9000/sw/5_2/release/notes/nx-os/mds_nxos_rel_notes_522.html		x_refsource_CONFIRMVendor Advisory
http://www.securitytracker.com/id?1027348		vdb-entryx_refsource_SECTRACK

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Aug 6, 2012

Updated Aug 6, 2024

Reserved Feb 27, 2012

Link CVE-2012-1340

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-1340

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-1340