HyperTerminal application for Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 does not properly validate the length of a value that is saved in a session file, which allows remote attackers to execute arbitrary code via a malicious HyperTerminal session file (.ht), web site, or Telnet URL contained in an e-mail message, triggering a buffer overflow
Published Dec 15, 2004
10.0
HIGHCVSS 2.0
EPSS 35.31%
Description
HyperTerminal application for Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 does not properly validate the length of a value that is saved in a session file, which allows remote attackers to execute arbitrary code via a malicious HyperTerminal session file (.ht), web site, or Telnet URL contained in an e-mail message, triggering a buffer overflow.
Affected products
No data.
- n/a
- n/a
- n/a
- n/a
- n/a
- datacenter_64-bit
- enterprise
- enterprise
- enterprise_64-bit
- enterprise_64-bit
- r2
- r2
- r2
- standard
- standard
- web
- web
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- 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:L/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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 35.31% (0.35312) | 98.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 35.31% (0.35312) | 98.23th | v5 (v2026.06.15) |
| Dec 28, 2025 | 26.88% (0.26882) | 96.19th | v4 (v2025.03.14) |
| Dec 27, 2025 | 21.95% (0.21954) | 95.60th | v4 (v2025.03.14) |
| Nov 9, 2025 | 26.88% (0.26882) | 96.14th | v4 (v2025.03.14) |
| Oct 23, 2025 | 21.66% (0.21656) | 95.47th | v4 (v2025.03.14) |
| Oct 1, 2025 | 27.57% (0.27575) | 96.28th | v4 (v2025.03.14) |
| Mar 30, 2025 | 21.95% (0.21954) | 95.29th | v4 (v2025.03.14) |
| Mar 29, 2025 | 49.70% (0.49698) | 96.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 21.95% (0.21954) | 95.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 9.21% (0.09214) | 94.93th | v3 (v2023.03.01) |
| Nov 22, 2023 | 9.21% (0.09214) | 94.05th | v3 (v2023.03.01) |
| Apr 6, 2023 | 13.32% (0.13317) | 94.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.41% (0.16414) | 95.10th | v3 (v2023.03.01) |
| Mar 6, 2023 | 39.29% (0.39294) | 98.02th | v2 (v2022.01.01) |
| Feb 4, 2022 | 39.29% (0.39294) | 97.33th | v2 (v2022.01.01) |
No CWE recorded.
References (9)
- http://marc.info/?l=bugtraq&m=110312618614849&w=2 mailing-listx_refsource_BUGTRAQ
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-043 vendor-advisoryx_refsource_MS
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18336 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1603 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2545 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3138 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3973 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4508 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4741 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.