VIR Vulnerability Intelligence Relay

CVE-2011-4019

medium
Published 2012-05-03 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.4

Description

Memory leak in Cisco IOS 12.4 and 15.0 through 15.2, and Cisco Unified Communications Manager (CUCM) 7.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted response to a SIP SUBSCRIBE message, aka Bug IDs CSCto93837 and CSCtj61883.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
cisco ciscounified_communications_manager7.0
cisco ciscounified_communications_manager7.0\(1\)
cisco ciscounified_communications_manager7.0\(1\)su1
cisco ciscounified_communications_manager7.0\(1\)su1a
cisco ciscounified_communications_manager7.0\(2\)
cisco ciscounified_communications_manager7.0\(2a\)
cisco ciscounified_communications_manager7.0\(2a\)su1
cisco ciscounified_communications_manager7.0\(2a\)su2
cisco ciscounified_communications_manager7.0_base
cisco ciscounified_communications_manager7.1
cisco ciscounified_communications_manager7.1\(2a\)
cisco ciscounified_communications_manager7.1\(2a\)su1
cisco ciscounified_communications_manager7.1\(2b\)
cisco ciscounified_communications_manager7.1\(2b\)su1
cisco ciscounified_communications_manager7.1\(3\)
cisco ciscounified_communications_manager7.1\(3a\)
cisco ciscounified_communications_manager7.1\(3a\)su1
cisco ciscounified_communications_manager7.1\(3a\)su1a
cisco ciscounified_communications_manager7.1\(3b\)
cisco ciscounified_communications_manager7.1\(3b\)su1
cisco ciscounified_communications_manager7.1\(3b\)su2
cisco ciscounified_communications_manager7.1\(5\)
cisco ciscounified_communications_manager7.1\(5\)su1
cisco ciscounified_communications_manager7.1\(5\)su1a
cisco ciscounified_communications_manager7.1\(5a\)
cisco ciscounified_communications_manager7.1\(5b\)
cisco ciscounified_communications_manager7.1\(5b\)su1
cisco ciscounified_communications_manager7.1\(5b\)su1a
cisco ciscounified_communications_manager7.1\(5b\)su2
cisco ciscounified_communications_manager7.1\(5b\)su3
cisco ciscounified_communications_manager7.1\(5b\)su4
cisco ciscounified_communications_manager7.1\(5b\)su5
cisco ciscounified_communications_manager7.1_base

References

CWEs

CWE-399

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.