CVE-2011-4486

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-03-01 · updated 2026-06-16
Weakness: CWE-399

Description

Cisco Unified Communications Manager (CUCM) with software 6.x and 7.x before 7.1(5b)su5, 8.0 before 8.0(3a)su3, and 8.5 and 8.6 before 8.6(2a)su1 and Cisco Business Edition 3000 with software before 8.6.3 and 5000 and 6000 with software before 8.6(2a)su1 allow remote attackers to cause a denial of service (device reload) via a crafted SCCP registration, aka Bug ID CSCtu73538.

Affected products

Cisco Business Edition 3000: all versions
Cisco Business Edition 3000 Software: 8.6(1), 8.6(1a), 8.6(2a), 8.6.2
Cisco Business Edition 5000: all versions
Cisco Business Edition 5000 Software: 8.5, 8.5(1), 8.6, 8.6(1), 8.6(1a), 8.6(2) (+1)
Cisco Business Edition 6000: all versions
Cisco Business Edition 6000 Software: 8.5(1), 8.5(1)su1, 8.5(1)su2, 8.5(1)su3, 8.5(1-2011o), 8.6(1) (+3)
Cisco Unified Communications Manager: 6.0, 6.0(1), 6.0(1a), 6.0(1b), 6.1(1), 6.1(1a) (+64)

References

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