Cisco CallManager 3.2 and earlier, 3.3 before 3.3(5)SR1, 4.0 before 4.0(2a)SR2c, and 4.1 before 4.1(3)SR2 allow remote attackers to (1) cause a denial of service (CPU and memory consumption) via a large number of open TCP connections to port 2000 and (2) cause a denial of service (fill the Windows Service Manager communication queue) via a large number of TCP connections to port 2001, 2002, or 7727
Published Jan 22, 2006
7.8
HIGHCVSS 2.0
EPSS 3.72%
Description
Cisco CallManager 3.2 and earlier, 3.3 before 3.3(5)SR1, 4.0 before 4.0(2a)SR2c, and 4.1 before 4.1(3)SR2 allow remote attackers to (1) cause a denial of service (CPU and memory consumption) via a large number of open TCP connections to port 2000 and (2) cause a denial of service (fill the Windows Service Manager communication queue) via a large number of TCP connections to port 2001, 2002, or 7727.
Affected products
No data.
- n/a
- 1.0
- 2.0
- 3.0
- 3.1
- 3.1\(2\)
- 3.1\(3a\)
- 3.2
- 3.3
- 3.3\(3\)
- 3.3\(3\)es61
- 3.3\(4\)es25
- 3.3\(5\)
- 3.3\(5\)es30
- 4.0
- 4.0\(2a\)es40
- 4.0\(2a\)es62
- 4.0\(2a\)sr2b
- 4.1\(2\)es33
- 4.1\(2\)es55
- 4.1\(3\)es07
- 4.1\(3\)es32
- 4.1\(3\)sr1
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 1, 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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.72% (0.03724) | 89.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.64% (0.03638) | 88.06th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.76% (0.02763) | 85.06th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.27% (0.03267) | 91.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.25% (0.06252) | 92.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
No CWE recorded.
References (9)
- http://secunia.com/advisories/18494 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://securityreason.com/securityalert/359 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1015503 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/warp/public/707/cisco-sa-20060118-ccmdos.shtml vendor-advisoryx_refsource_CISCO
- http://www.osvdb.org/22622 vdb-entryx_refsource_OSVDB
- http://www.osvdb.org/22623 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/16295 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2006/0249 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24180 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/18494 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://securityreason.com/securityalert/359 | third-party-advisoryx_refsource_SREASON | |
| http://securitytracker.com/id?1015503 | vdb-entryx_refsource_SECTRACK | |
| http://www.cisco.com/warp/public/707/cisco-sa-20060118-ccmdos.shtml | vendor-advisoryx_refsource_CISCO | |
| http://www.osvdb.org/22622 | vdb-entryx_refsource_OSVDB | |
| http://www.osvdb.org/22623 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/16295 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2006/0249 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/24180 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.