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.

Published: 2012-08-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-1357 is rated Moderate Risk (43.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.23%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-1357

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.47% 1.23% +0.76%
2 2025-03-17 0.16% 0.47% +0.31%
3 2024-09-17 — 0.16% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1357

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2012-1357

Affected software / configurations for CVE-2012-1357

Vendor Product Version Raw CPE
cisco nx-os 5.0 cpe:2.3:o:cisco:nx-os:5.0:*:*:*:*:*:*:*
cisco nx-os 5.1 cpe:2.3:o:cisco:nx-os:5.1:*:*:*:*:*:*:*
cisco nexus_5000 — cpe:2.3:h:cisco:nexus_5000:-:*:*:*:*:*:*:*

References for CVE-2012-1357

cvelogic Threat Intelligence