CVE-2013-1211 — Cisco NX-OS on the Nexus 1000V does not properly handle authentication for Virtual Ethernet Module (VEM) to Virtual Supervisor Module (VSM) communication, which allows remote attackers to obtain VEM access via (1) spoofed STUN packets or (2) a crafted VMware ESXi instance, aka Bug ID CSCud14832

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MEDIUM

Cisco NX-OS on the Nexus 1000V does not properly handle authentication for Virtual Ethernet Module (VEM) to Virtual Supervisor Module (VSM) communication, which allows remote attackers to obtain VEM access via (1) spoofed STUN packets or (2) a crafted VMware ESXi instance, aka Bug ID CSCud14832

Published May 29, 2013

5.0

MEDIUM

CVSS 2.0

EPSS 1.59%

Description

Cisco NX-OS on the Nexus 1000V does not properly handle authentication for Virtual Ethernet Module (VEM) to Virtual Supervisor Module (VSM) communication, which allows remote attackers to obtain VEM access via (1) spoofed STUN packets or (2) a crafted VMware ESXi instance, aka Bug ID CSCud14832.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.59% 0.01592

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.01592

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 (13 key points)

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

Date	Score	Percentile	Model
Oct 3, 2026	1.59% (0.01592)	74.83th	v5 (v2026.06.15)
Jun 15, 2026	1.10% (0.01098)	61.20th	v5 (v2026.06.15)
Mar 17, 2025	0.35% (0.00353)	55.54th	v4 (v2025.03.14)
Dec 12, 2024	0.16% (0.00158)	53.58th	v3 (v2023.03.01)
Apr 25, 2024	0.13% (0.00134)	47.91th	v3 (v2023.03.01)
Mar 15, 2024	0.11% (0.00113)	43.76th	v3 (v2023.03.01)
Feb 8, 2024	0.10% (0.00103)	40.50th	v3 (v2023.03.01)
Dec 15, 2023	0.16% (0.00162)	52.77th	v3 (v2023.03.01)
Mar 7, 2023	0.18% (0.00183)	53.80th	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-287

Improper Authentication

References (1)

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1211
vendor-advisoryx_refsource_CISCOVendor Advisory

Link	Providers	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1211		vendor-advisoryx_refsource_CISCOVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published May 29, 2013

Updated Sep 16, 2024

Reserved Jan 11, 2013

Link CVE-2013-1211

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2013-1211

Red Hat

Severity n/a

Public date n/a

Links CVE-2013-1211