The StartServiceCtrlDispatcher function in the cvpnd service (cvpnd.exe) in Cisco VPN client for Windows before 5.0.06.0100 does not properly handle an ERROR_FAILED_SERVICE_CONTROLLER_CONNECT error, which allows local users to cause a denial of service (service crash and VPN connection loss) via a manual start of cvpnd.exe while the cvpnd service is running
Published Dec 1, 2009
2.1
LOWCVSS 2.0
EPSS 2.50%
Description
The StartServiceCtrlDispatcher function in the cvpnd service (cvpnd.exe) in Cisco VPN client for Windows before 5.0.06.0100 does not properly handle an ERROR_FAILED_SERVICE_CONTROLLER_CONNECT error, which allows local users to cause a denial of service (service crash and VPN connection loss) via a manual start of cvpnd.exe while the cvpnd service is running.
Affected products
No data.
- 2.0
- 3.0
- 3.0.5
- 3.1
- 3.5.1
- 3.5.1c
- 3.5.2
- 3.6.5
- 4.7.00.0000
- 4.8.00.0000
- 4.8.00.0440
- 4.8.1
- 4.8.01
- 4.8.02.0010
- 4.9
- 5.0.00.340
- 5.0.01
- 5.0.01.0600
- 5.0.2.0090
- 5.0.02.0090
- 0490
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:L/AC:L/Au:N/C:N/I:N/A:P
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 | 2.50% (0.02505) | 84.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.50% (0.02505) | 82.61th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.42% (0.00422) | 59.95th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00061) | 27.93th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.25% (0.00250) | 63.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00043) | 7.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.76% (0.01761) | 76.53th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.76% (0.01761) | 76.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.76% (0.01761) | 74.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.76% (0.01761) | 53.69th | v2 (v2022.01.01) |
No CWE recorded.
References (5)
- http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txt x_refsource_MISCExploit
- http://secunia.com/advisories/37419 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://tools.cisco.com/security/center/viewAlert.x?alertId=19445 x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/37077 vdb-entryx_refsource_BIDExploit
- http://www.vupen.com/english/advisories/2009/3296 vdb-entryx_refsource_VUPENVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txt | x_refsource_MISCExploit | |
| http://secunia.com/advisories/37419 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://tools.cisco.com/security/center/viewAlert.x?alertId=19445 | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/37077 | vdb-entryx_refsource_BIDExploit | |
| http://www.vupen.com/english/advisories/2009/3296 | vdb-entryx_refsource_VUPENVendor Advisory |
Change history (0)
No recorded changes yet.