Heap-based buffer overflow in the ConnectAsyncEx function in VNC Viewer ActiveX control (scvncctrl.dll) in the SmartCode VNC Manager 3.6 allows remote attackers to execute arbitrary code via a long argument
Published May 8, 2007
9.3
HIGHCVSS 2.0
EPSS 6.98%
Description
Heap-based buffer overflow in the ConnectAsyncEx function in VNC Viewer ActiveX control (scvncctrl.dll) in the SmartCode VNC Manager 3.6 allows remote attackers to execute arbitrary code via a long argument.
Affected products
No data.
- 3.6
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:M/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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.98% (0.06976) | 93.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.98% (0.06976) | 93.29th | v5 (v2026.06.15) |
| Oct 21, 2025 | 18.99% (0.18994) | 95.02th | v4 (v2025.03.14) |
| Mar 30, 2025 | 14.13% (0.14130) | 93.76th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.21% (0.11212) | 89.14th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.94% (0.13936) | 93.79th | v4 (v2025.03.14) |
| Dec 17, 2024 | 44.30% (0.44304) | 97.44th | v3 (v2023.03.01) |
| Feb 2, 2024 | 24.38% (0.24378) | 96.21th | v3 (v2023.03.01) |
| Dec 26, 2023 | 24.68% (0.24680) | 96.20th | v3 (v2023.03.01) |
| Jul 28, 2023 | 37.68% (0.37680) | 96.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 40.89% (0.40887) | 96.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 20.10% (0.20096) | 96.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 20.10% (0.20096) | 96.11th | v2 (v2022.01.01) |
| Feb 4, 2022 | 20.10% (0.20096) | 93.97th | v2 (v2022.01.01) |
No CWE recorded.
References (8)
- http://moaxb.blogspot.com/2007/05/moaxb-08-smartcode-vnc-manager-36.html x_refsource_MISC
- http://osvdb.org/34340 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/25203 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.exploit-db.com/exploits/3873 exploitx_refsource_EXPLOIT-DB
- http://www.securityfocus.com/bid/23869 vdb-entryx_refsource_BIDExploit
- http://www.shinnai.altervista.org/moaxb/20070508/scvncctrl.txt x_refsource_MISC
- http://www.vupen.com/english/advisories/2007/1704 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34149 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://moaxb.blogspot.com/2007/05/moaxb-08-smartcode-vnc-manager-36.html | x_refsource_MISC | |
| http://osvdb.org/34340 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/25203 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.exploit-db.com/exploits/3873 | exploitx_refsource_EXPLOIT-DB | |
| http://www.securityfocus.com/bid/23869 | vdb-entryx_refsource_BIDExploit | |
| http://www.shinnai.altervista.org/moaxb/20070508/scvncctrl.txt | x_refsource_MISC | |
| http://www.vupen.com/english/advisories/2007/1704 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/34149 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.