Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3) allows remote attackers to cause a denial of service (memory consumption and service interruption) via a series of malformed TCP packets, as demonstrated by TCPFUZZ, aka Bug ID CSCsj80609
Published May 16, 2008
7.8
HIGHCVSS 2.0
EPSS 1.18%
Description
Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3) allows remote attackers to cause a denial of service (memory consumption and service interruption) via a series of malformed TCP packets, as demonstrated by TCPFUZZ, aka Bug ID CSCsj80609.
Affected products
No data.
- 4.1
- 4.2
- 4.3
- 5.1
- 5.1
- 5.1
- 5.1
- 5.1
- 6.0
- 6.0
- 6.0
- 6.1
- 6.1
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.18% (0.01179) | 66.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.18% (0.01179) | 63.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.80% (0.00803) | 72.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.46% (0.02464) | 90.44th | v3 (v2023.03.01) |
| May 22, 2024 | 2.21% (0.02209) | 89.47th | v3 (v2023.03.01) |
| Sep 13, 2023 | 2.04% (0.02045) | 87.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.90% (0.01896) | 86.62th | 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) |
References (6)
- http://secunia.com/advisories/30238 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1020022 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080995688.shtml vendor-advisoryx_refsource_CISCO
- http://www.securityfocus.com/bid/29221 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2008/1533 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42410 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/30238 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/id?1020022 | vdb-entryx_refsource_SECTRACK | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a0080995688.shtml | vendor-advisoryx_refsource_CISCO | |
| http://www.securityfocus.com/bid/29221 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2008/1533 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/42410 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.