Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5), 7.x before 7.1(3a)su1, and 8.x before 8.0(1) allows remote attackers to cause a denial of service (process failure) via a malformed SCCP (1) RegAvailableLines or (2) FwdStatReq message with an invalid Line number, aka Bug ID CSCtc47823
Published Mar 5, 2010
7.8
HIGHCVSS 2.0
EPSS 1.60%
Description
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5), 7.x before 7.1(3a)su1, and 8.x before 8.0(1) allows remote attackers to cause a denial of service (process failure) via a malformed SCCP (1) RegAvailableLines or (2) FwdStatReq message with an invalid Line number, aka Bug ID CSCtc47823.
Affected products
No data.
- 6.0
- 6.0\(1\)
- 6.0\(1a\)
- 6.1
- 6.1
- 6.1\(1\)
- 6.1\(1a\)
- 6.1\(1b\)
- 6.1\(2\)
- 6.1\(2\)su1
- 6.1\(2\)su1a
- 6.1\(3\)
- 6.1\(4\)
- 6.1.0
- 7.0
- 7.0\(1\)
- 7.0\(2\)
- 7.1
- 8.0
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 2, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.60% (0.01602) | 74.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.60% (0.01602) | 72.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.60% (0.00602) | 67.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.56% (0.00563) | 78.47th | v3 (v2023.03.01) |
| May 24, 2024 | 0.31% (0.00313) | 70.08th | v3 (v2023.03.01) |
| May 10, 2024 | 0.26% (0.00263) | 65.81th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.22% (0.00222) | 60.09th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.21% (0.00208) | 58.01th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.19% (0.00188) | 55.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.56% (0.00563) | 74.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://securitytracker.com/id?1023670 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b1b924.shtml vendor-advisoryx_refsource_CISCOPatchVendor Advisory
- http://www.securityfocus.com/bid/38501 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://securitytracker.com/id?1023670 | vdb-entryx_refsource_SECTRACK | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a0080b1b924.shtml | vendor-advisoryx_refsource_CISCOPatchVendor Advisory | |
| http://www.securityfocus.com/bid/38501 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.