CVE-2009-2874

CVE-2009-2874 is a high-severity vulnerability in Cisco Unified Presence Server with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The TimesTenD process in Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4) allows remote attackers to cause a denial of service (process crash) via a large number of TCP connections to ports 16200 and 22794, aka Bug ID CSCsy17662.

Frequently asked questions

What is CVE-2009-2874?
The TimesTenD process in Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4) allows remote attackers to cause a denial of service (process crash) via a large number of TCP connections to ports 16200 and 22794, aka Bug ID CSCsy17662.
How severe is CVE-2009-2874?
CVE-2009-2874 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2009-2874 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2874?
CVE-2009-2874 primarily affects Cisco Unified Presence Server. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2874?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-2874 published?
CVE-2009-2874 was published on 2009-10-16 and last updated on 2026-06-16.

References

Affected products (12)

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