Microsoft Terminal Server using Remote Desktop Protocol (RDP) 5.2 stores an RSA private key in mstlsapi.dll and uses it to sign a certificate, which allows remote attackers to spoof public keys of legitimate servers and conduct man-in-the-middle attacks
Published Jun 1, 2005
7.4
HIGHCVSS 3.1
EPSS 16.32%
Description
Microsoft Terminal Server using Remote Desktop Protocol (RDP) 5.2 stores an RSA private key in mstlsapi.dll and uses it to sign a certificate, which allows remote attackers to spoof public keys of legitimate servers and conduct man-in-the-middle attacks.
Affected products
No data.
- 5.1.2600.2180
- 5.2
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed May 22, 2026 · SSVC 2.0.3
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 | 16.32% (0.16319) | 96.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 16.19% (0.16191) | 96.52th | v5 (v2026.06.15) |
| May 22, 2026 | 5.97% (0.05970) | 90.76th | v4 (v2025.03.14) |
| Feb 8, 2026 | 11.46% (0.11459) | 93.43th | v4 (v2025.03.14) |
| Jun 30, 2025 | 9.69% (0.09694) | 92.53th | v4 (v2025.03.14) |
| Mar 30, 2025 | 11.91% (0.11912) | 93.11th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.27% (0.04269) | 81.03th | v4 (v2025.03.14) |
| Mar 28, 2025 | 11.91% (0.11912) | 93.11th | v4 (v2025.03.14) |
| Mar 27, 2025 | 4.27% (0.04269) | 87.31th | v4 (v2025.03.14) |
| Mar 20, 2025 | 7.53% (0.07526) | 91.08th | v4 (v2025.03.14) |
| Mar 19, 2025 | 4.27% (0.04269) | 87.46th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.53% (0.07526) | 91.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.64% (0.00637) | 79.84th | v3 (v2023.03.01) |
| May 8, 2024 | 1.27% (0.01270) | 85.59th | v3 (v2023.03.01) |
| Sep 21, 2023 | 1.76% (0.01760) | 86.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.00% (0.00997) | 81.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 18.25% (0.18250) | 96.30th | v2 (v2022.01.01) |
| Apr 13, 2022 | 18.25% (0.18250) | 95.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 13.11% (0.13105) | 95.31th | v2 (v2022.01.01) |
| Feb 4, 2022 | 13.11% (0.13105) | 90.51th | v2 (v2022.01.01) |
No CWE recorded.
References (5)
- http://secunia.com/advisories/15605/ third-party-advisoryx_refsource_SECUNIA
- http://www.oxid.it/downloads/rdp-gbu.pdf x_refsource_MISCVendor Advisory
- http://www.securityfocus.com/bid/13818 vdb-entryx_refsource_BID
- https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02 x_refsource_MISC
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12441 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/15605/ | third-party-advisoryx_refsource_SECUNIA | |
| http://www.oxid.it/downloads/rdp-gbu.pdf | x_refsource_MISCVendor Advisory | |
| http://www.securityfocus.com/bid/13818 | vdb-entryx_refsource_BID | |
| https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02 | x_refsource_MISC | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12441 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.