Vulnerability in Cisco Vpn Client
CVE-2009-4118
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 · last modified .
CVSS v2 metric
CVSS v2 base score 2.1 (Low). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.025 (84.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Cisco Vpn Client — versions 2.0, 3.0, 3.0.5
Public proof-of-concept exploits
References
- secunia.com/advisories/37419 (Vendor Advisory, third-party-advisory)
- packetstormsecurity.org/0911-exploits/sybsec-adv17.txt (Exploit)
- www.vupen.com/english/advisories/2009/3296 (vdb-entry, Vendor Advisory)
- tools.cisco.com/security/center/viewAlert.x (Vendor Advisory)
- www.securityfocus.com/bid/37077 (Exploit, vdb-entry)
Frequently asked questions
- What is CVE-2009-4118?
- CVE-2009-4118 is a vulnerability in Cisco Vpn Client. Published 2009-12-01.
- Is CVE-2009-4118 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.