Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2a)su1, and 7.1 before 7.1(2) allows remote attackers to cause a denial of service (file-descriptor exhaustion and SCCP outage) via a flood of TCP packets, aka Bug ID CSCsx32236
Published Aug 27, 2009
7.8
HIGHCVSS 2.0
EPSS 3.41%
Description
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2a)su1, and 7.1 before 7.1(2) allows remote attackers to cause a denial of service (file-descriptor exhaustion and SCCP outage) via a flood of TCP packets, aka Bug ID CSCsx32236.
Affected products
No data.
- ≥ 5.0 · < 5.1\(3g\)
- ≥ 6.1\(1\) · < 6.1\(4\)
- ≥ 7.0 · < 7.0\(2a\)su1
- ≥ 7.1 · < 7.1\(2\)
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.41% (0.03406) | 88.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.41% (0.03406) | 87.27th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.43% (0.01425) | 79.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.10% (0.01099) | 85.07th | v3 (v2023.03.01) |
| Apr 9, 2024 | 1.10% (0.01099) | 84.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.10% (0.01099) | 82.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://osvdb.org/57455 vdb-entryx_refsource_OSVDBBroken Link
- http://secunia.com/advisories/36498 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36499 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml vendor-advisoryx_refsource_CISCOPatchVendor Advisory
- http://www.securityfocus.com/bid/36152 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1022775 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/57455 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://secunia.com/advisories/36498 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/36499 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml | vendor-advisoryx_refsource_CISCOPatchVendor Advisory | |
| http://www.securityfocus.com/bid/36152 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id?1022775 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.