Buffer overflow in Cisco Unified Computing System

CVE-2012-4081

MCServer in the Cisco Management Controller in Cisco Unified Computing System (UCS) allows local users to cause a denial of service (application crash) via invalid MCTools parameters, aka Bug ID CSCtg20734.

Vulnerability class: Buffer Overflow

Published 2013-09-20 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 4.6 (Medium). Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.003 (20.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Cisco Unified Computing System — versions 1.3\(1o\), 1.3(1p), 1.3\(1w\)

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.securitytracker.com/id/1029065 (VDB Entry, Third Party Advisory, vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4081 (vendor-advisory, Vendor Advisory)