HIGH
Buffer overflow in AT&T WinVNC (Virtual Network Computing) client 3.3.3r7 and earlier allows remote attackers to execute arbitrary commands via a long rfbConnFailed packet with a long reason string
Published Mar 9, 2001
7.6
HIGHCVSS 2.0
EPSS 50.81%
Description
Buffer overflow in AT&T WinVNC (Virtual Network Computing) client 3.3.3r7 and earlier allows remote attackers to execute arbitrary commands via a long rfbConnFailed packet with a long reason string.
Affected products
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.
7.6 HIGH NVD
AV:N/AC:H/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
50.81% 0.50813
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.50813
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 50.81% (0.50813) | 98.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 50.81% (0.50813) | 98.78th | v5 (v2026.06.15) |
| Jun 13, 2026 | 68.85% (0.68854) | 98.65th | v4 (v2025.03.14) |
| Jun 29, 2025 | 65.40% (0.65403) | 98.37th | v4 (v2025.03.14) |
| May 26, 2025 | 59.79% (0.59788) | 98.12th | v4 (v2025.03.14) |
| May 8, 2025 | 65.40% (0.65403) | 98.36th | v4 (v2025.03.14) |
| May 6, 2025 | 64.16% (0.64155) | 98.30th | v4 (v2025.03.14) |
| Mar 30, 2025 | 66.55% (0.66551) | 98.41th | v4 (v2025.03.14) |
| Mar 29, 2025 | 69.62% (0.69615) | 98.16th | v4 (v2025.03.14) |
| Mar 17, 2025 | 66.55% (0.66551) | 98.40th | v4 (v2025.03.14) |
| Dec 17, 2024 | 47.91% (0.47906) | 97.55th | v3 (v2023.03.01) |
| Aug 14, 2023 | 9.51% (0.09507) | 93.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.15% (0.08152) | 93.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 71.01% (0.71013) | 99.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 71.01% (0.71013) | 99.02th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (3)
- http://marc.info/?l=bugtraq&m=98088315825366&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/2305 vdb-entryx_refsource_BIDPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6025 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=98088315825366&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/2305 | vdb-entryx_refsource_BIDPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/6025 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 9, 2001
Updated Aug 8, 2024
Reserved Mar 8, 2001
Link CVE-2001-0167
CISA Vulnrichment
Updated n/a