The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904
Published Jun 2, 2011
7.6
HIGHCVSS 2.0
EPSS 69.96%
Description
The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904.
Affected products
No data.
- ≤ 2.3
- 2.0
- 2.1
- 2.2
- 2.2.128
- 2.2.133
- 2.2.136
- 2.2.140
Running on/with
- n/a
- n/a
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:H/Au:N/C:C/I:C/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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 69.96% (0.69959) | 99.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 69.96% (0.69959) | 99.29th | v5 (v2026.06.15) |
| Sep 19, 2025 | 84.12% (0.84123) | 99.27th | v4 (v2025.03.14) |
| Mar 17, 2025 | 85.34% (0.85343) | 99.32th | v4 (v2025.03.14) |
| Jan 23, 2025 | 56.81% (0.56809) | 97.86th | v3 (v2023.03.01) |
| Dec 17, 2024 | 64.61% (0.64609) | 98.05th | v3 (v2023.03.01) |
| Dec 11, 2024 | 71.13% (0.71131) | 98.16th | v3 (v2023.03.01) |
| Aug 2, 2024 | 79.81% (0.79809) | 98.32th | v3 (v2023.03.01) |
| Jun 18, 2024 | 78.19% (0.78187) | 98.26th | v3 (v2023.03.01) |
| Apr 30, 2024 | 79.86% (0.79865) | 98.26th | v3 (v2023.03.01) |
| Mar 11, 2024 | 75.10% (0.75101) | 98.06th | v3 (v2023.03.01) |
| Jan 21, 2024 | 75.94% (0.75937) | 97.91th | v3 (v2023.03.01) |
| Dec 1, 2023 | 79.49% (0.79491) | 97.97th | v3 (v2023.03.01) |
| Oct 9, 2023 | 68.61% (0.68612) | 97.60th | v3 (v2023.03.01) |
| Aug 15, 2023 | 62.06% (0.62055) | 97.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 60.76% (0.60764) | 97.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 81.97% (0.81969) | 99.55th | v2 (v2022.01.01) |
| Jul 23, 2022 | 81.97% (0.81969) | 99.53th | v2 (v2022.01.01) |
| May 5, 2022 | 82.49% (0.82495) | 99.53th | v2 (v2022.01.01) |
| Feb 4, 2022 | 83.32% (0.83318) | 99.52th | v2 (v2022.01.01) |
References (7)
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909 third-party-advisoryx_refsource_IDEFENSE
- http://osvdb.org/72714 vdb-entryx_refsource_OSVDB
- http://securityreason.com/securityalert/8272 third-party-advisoryx_refsource_SREASON
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.kb.cert.org/vuls/id/490097 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.securitytracker.com/id?1025591 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67739 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909 | third-party-advisoryx_refsource_IDEFENSE | |
| http://osvdb.org/72714 | vdb-entryx_refsource_OSVDB | |
| http://securityreason.com/securityalert/8272 | third-party-advisoryx_refsource_SREASON | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.kb.cert.org/vuls/id/490097 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.securitytracker.com/id?1025591 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/67739 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.