VIR Vulnerability Intelligence Relay

CVE-2010-2840

high
Published 2010-08-26 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.8

Description

The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly handle an erroneous Contact field in the header of a SIP SUBSCRIBE message, which allows remote attackers to cause a denial of service (process failure) via a malformed message, aka Bug ID CSCtd39629.

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_presence_server6.0
cisco ciscounified_presence_server6.0\(2\)
cisco ciscounified_presence_server6.0\(3\)
cisco ciscounified_presence_server6.0\(4\)
cisco ciscounified_presence_server6.0\(5\)
cisco ciscounified_presence_server6.0\(6\)
cisco ciscounified_presence_server7.0
cisco ciscounified_presence_server7.0\(2\)
cisco ciscounified_presence_server7.0\(3\)
cisco ciscounified_presence_server7.0\(4\)
cisco ciscounified_presence_server7.0\(5\)
cisco ciscounified_presence_server7.0\(6\)
cisco ciscounified_presence_server7.0\(7\)
cisco ciscounified_presence_server6.0\(2.1101\)
cisco ciscounified_presence_server6.0\(3.1101-2\)
cisco ciscounified_presence_server6.0\(4.1101-5\)
cisco ciscounified_presence_server6.0\(5.1101-1\)
cisco ciscounified_presence_server6.0\(5.1103-2\)
cisco ciscounified_presence_server6.0.5.1102-1
cisco ciscounified_presence_server7.0.3.10102-3
cisco ciscounified_presence_server7.0.3.10103-2
cisco ciscounified_presence_server7.0.4.10101-2

References

CWEs

CWE-20

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

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