NoMachine before 5.3.27 and 6.x before 6.3.6 allows attackers to gain privileges via a Trojan horse wintab32.dll file located in the same directory as a .nxs file, as demonstrated by a scenario where the .nxs file and the DLL are in the current working directory, and the Trojan horse code is executed
Published Oct 15, 2018
7.8
HIGHCVSS 3.0
EPSS 4.55%
Description
NoMachine before 5.3.27 and 6.x before 6.3.6 allows attackers to gain privileges via a Trojan horse wintab32.dll file located in the same directory as a .nxs file, as demonstrated by a scenario where the .nxs file and the DLL are in the current working directory, and the Trojan horse code is executed. (The directory could, in general, be on a local filesystem or a network share.).
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.55% (0.04554) | 91.30th | v5 (v2026.06.15) |
| Sep 22, 2026 | 4.55% (0.04554) | 91.17th | v5 (v2026.06.15) |
| Sep 21, 2026 | 6.09% (0.06093) | 93.18th | v5 (v2026.06.15) |
| Sep 6, 2026 | 4.55% (0.04554) | 90.97th | v5 (v2026.06.15) |
| Sep 5, 2026 | 6.09% (0.06093) | 93.03th | v5 (v2026.06.15) |
| Aug 30, 2026 | 4.55% (0.04554) | 90.92th | v5 (v2026.06.15) |
| Aug 28, 2026 | 6.09% (0.06093) | 92.98th | v5 (v2026.06.15) |
| Aug 24, 2026 | 4.55% (0.04554) | 90.87th | v5 (v2026.06.15) |
| Aug 23, 2026 | 6.09% (0.06093) | 92.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.55% (0.04554) | 90.34th | v5 (v2026.06.15) |
| Nov 21, 2025 | 3.67% (0.03667) | 87.40th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.45% (0.02451) | 83.89th | v4 (v2025.03.14) |
| Sep 10, 2025 | 3.81% (0.03805) | 87.66th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.66% (0.02656) | 84.46th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.92% (0.03924) | 80.22th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.66% (0.02656) | 84.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00278) | 69.16th | v3 (v2023.03.01) |
| Mar 7, 2024 | 0.28% (0.00278) | 67.62th | v3 (v2023.03.01) |
| Oct 9, 2023 | 0.24% (0.00241) | 61.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00187) | 54.40th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.36% (0.02362) | 81.47th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.36% (0.02362) | 58.35th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.50% (0.04504) | 76.47th | v5 (v2026.06.15) |
| Apr 14, 2021 | 4.50% (0.04504) | 0.00th | v1 |
References (4)
- http://hyp3rlinx.altervista.org/advisories/NOMACHINE-TROJAN-FILE-REMOTE-CODE-EXECUTION.txt x_refsource_MISCExploitThird Party Advisory
- http://packetstormsecurity.com/files/149784/NoMachine-5.3.26-Remote-Code-Execution.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/45611/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.nomachine.com/TR10P08887 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://hyp3rlinx.altervista.org/advisories/NOMACHINE-TROJAN-FILE-REMOTE-CODE-EXECUTION.txt | x_refsource_MISCExploitThird Party Advisory | |
| http://packetstormsecurity.com/files/149784/NoMachine-5.3.26-Remote-Code-Execution.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/45611/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry | |
| https://www.nomachine.com/TR10P08887 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.