In Universal Media Server (UMS) 7.1.0, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack
Published Aug 3, 2018
9.8
CRITICALCVSS 3.0
EPSS 20.18%
Description
In Universal Media Server (UMS) 7.1.0, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack. Remote, unauthenticated attackers can use this vulnerability to: (1) Access arbitrary files from the filesystem with the same permission as the user account running UMS, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack to cleartext password, or (3) Initiate SMB connections to relay a NetNTLM challenge/response and achieve Remote Command Execution in Windows domains.
Affected products
No data.
- 7.1.0
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (33 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 20.18% (0.20185) | 97.39th | v5 (v2026.06.15) |
| Sep 22, 2026 | 20.18% (0.20185) | 97.35th | v5 (v2026.06.15) |
| Sep 21, 2026 | 16.86% (0.16859) | 96.97th | v5 (v2026.06.15) |
| Sep 6, 2026 | 20.18% (0.20185) | 97.29th | v5 (v2026.06.15) |
| Sep 5, 2026 | 16.86% (0.16859) | 96.90th | v5 (v2026.06.15) |
| Aug 30, 2026 | 20.18% (0.20185) | 97.27th | v5 (v2026.06.15) |
| Aug 28, 2026 | 16.86% (0.16859) | 96.88th | v5 (v2026.06.15) |
| Aug 24, 2026 | 20.18% (0.20185) | 97.26th | v5 (v2026.06.15) |
| Aug 23, 2026 | 16.86% (0.16859) | 96.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 20.18% (0.20185) | 97.12th | v5 (v2026.06.15) |
| Feb 17, 2026 | 55.83% (0.55833) | 98.03th | v4 (v2025.03.14) |
| Nov 21, 2025 | 56.89% (0.56893) | 98.01th | v4 (v2025.03.14) |
| Nov 18, 2025 | 62.66% (0.62658) | 98.35th | v4 (v2025.03.14) |
| Jul 4, 2025 | 56.89% (0.56893) | 97.99th | v4 (v2025.03.14) |
| Mar 30, 2025 | 59.69% (0.59692) | 98.08th | v4 (v2025.03.14) |
| Mar 29, 2025 | 69.39% (0.69395) | 98.15th | v4 (v2025.03.14) |
| Mar 17, 2025 | 59.69% (0.59692) | 98.05th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.64% (0.01643) | 88.07th | v3 (v2023.03.01) |
| Jul 13, 2024 | 1.77% (0.01773) | 88.19th | v3 (v2023.03.01) |
| Jun 12, 2024 | 1.65% (0.01649) | 87.60th | v3 (v2023.03.01) |
| Dec 25, 2023 | 1.21% (0.01205) | 83.66th | v3 (v2023.03.01) |
| Sep 1, 2023 | 1.26% (0.01265) | 83.96th | v3 (v2023.03.01) |
| Jul 28, 2023 | 0.90% (0.00895) | 80.54th | v3 (v2023.03.01) |
| Jun 25, 2023 | 1.28% (0.01281) | 83.82th | v3 (v2023.03.01) |
| Mar 19, 2023 | 1.08% (0.01079) | 82.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.13% (0.01128) | 82.42th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.37% (0.05365) | 89.93th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.37% (0.05365) | 88.95th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.37% (0.05365) | 76.10th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.88% (0.05885) | 81.24th | v1 |
| Jan 6, 2022 | 5.88% (0.05885) | 81.05th | v1 |
| Sep 1, 2021 | 5.88% (0.05885) | 89.46th | v1 |
| Apr 14, 2021 | 5.88% (0.05885) | 0.00th | v1 |
References (2)
- http://seclists.org/fulldisclosure/2018/Jul/94 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- https://www.exploit-db.com/exploits/45133/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/fulldisclosure/2018/Jul/94 | mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory | |
| https://www.exploit-db.com/exploits/45133/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.