CVE-2017-7995

LOWNVD 3.83.8—
EchelonGraph scoreMEDIUM confidence

Score 3.8 from GitHub Security Advisory (severity: LOW) published 2022-05-17. NVD baseline CVSS 3.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
3.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 3.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Xen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them, allowing host PCI device space memory reads, leading to information disclosure. This is an error in the get_user function. NOTE: the upstream Xen Project considers versions before 4.5.x to be EOL.

CVSS v3
3.8
EG Score
3.8(medium)
EPSS
28.8%
KEV
Not listed

Published

May 3, 2017

Last Modified

May 13, 2026

References (6)

Data Freshness Timeline

(refreshed 11× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:24 UTCEPSS rescore
  2. 2026-07-06 16:24 UTCEPSS rescore
  3. 2026-07-06 02:20 UTCEPSS rescore
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  5. 2026-07-05 02:27 UTCEPSS rescore
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  8. 2026-07-02 16:54 UTCEPSS rescore
  9. 2026-07-01 15:03 UTCEPSS rescore
  10. 2026-06-30 23:19 UTCEPSS rescore
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  12. 2026-06-29 14:03 UTCEPSS rescore
  13. 2026-06-28 14:04 UTCEPSS rescore
  14. 2026-06-28 04:53 UTCEPSS rescore
  15. 2026-06-28 04:53 UTCEPSS rescore
  16. 2026-06-27 03:06 UTCEPSS rescore
  17. 2026-06-25 13:47 UTCEPSS rescore
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  20. 2026-06-23 21:30 UTCEPSS rescore
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  22. 2026-06-23 06:00 UTCOSV refresh
  23. 2026-06-22 14:23 UTCEPSS rescore
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  25. 2026-06-21 14:54 UTCEPSS rescore
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  1. 2026-06-21 14:54 UTCEPSS rescore
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  4. 2026-06-19 19:23 UTCEPSS rescore
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  6. 2026-06-18 17:50 UTCEPSS rescore
  7. 2026-06-17 17:50 UTCEPSS rescore
  8. 2026-06-16 17:50 UTCEPSS rescore
  9. 2026-06-15 17:45 UTCEPSS rescore
  10. 2026-06-14 23:14 UTCEPSS rescore
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  12. 2026-06-13 22:58 UTCEPSS rescore
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  16. 2026-06-11 13:57 UTCEPSS rescore
  17. 2026-06-10 22:15 UTCEPSS rescore
  18. 2026-06-10 13:19 UTCEPSS rescore
  19. 2026-06-08 14:14 UTCEPSS rescore
  20. 2026-06-08 14:14 UTCEPSS rescore
  21. 2026-06-07 15:22 UTCEPSS rescore
  22. 2026-06-07 15:22 UTCEPSS rescore
  23. 2026-06-06 13:45 UTCEPSS rescore
  24. 2026-06-06 13:45 UTCEPSS rescore
  25. 2026-06-06 04:22 UTCOSV refresh
  26. 2026-06-05 22:44 UTCEPSS rescore
  27. 2026-06-05 22:44 UTCEPSS rescore
  28. 2026-06-05 06:08 UTCEPSS rescore
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  30. 2026-06-04 13:10 UTCEPSS rescore
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  34. 2026-06-01 13:49 UTCEPSS rescore
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  36. 2026-05-31 22:28 UTCEPSS rescore
  37. 2026-05-29 13:41 UTCEPSS rescore
  38. 2026-05-28 13:42 UTCEPSS rescore
  39. 2026-05-28 13:42 UTCEPSS rescore
  40. 2026-05-27 13:38 UTCEPSS rescore
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  42. 2026-05-26 13:42 UTCEPSS rescore
  43. 2026-05-26 07:17 UTCEPSS rescore
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  45. 2026-05-22 21:15 UTCEPSS rescore
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  48. 2026-05-22 21:15 UTCEPSS rescore
  49. 2026-05-22 21:15 UTCEPSS rescore
  50. 2026-05-22 21:15 UTCEPSS rescore
  51. 2026-05-22 21:15 UTCEPSS rescore
  52. 2026-05-22 13:38 UTCEG score recompute
  53. 2026-05-22 13:38 UTCGHSA enrichment
  54. 2026-05-21 22:40 UTCEPSS rescore
  55. 2026-05-21 22:40 UTCEPSS rescore
  56. 2026-05-20 22:37 UTCEPSS rescore
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  65. 2026-05-20 11:21 UTCEPSS rescore
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  71. 2026-05-18 21:30 UTCEPSS rescore
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  73. 2026-05-18 21:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2017-7995?
CVE-2017-7995 is a low vulnerability published on May 3, 2017. Xen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them, allowing host PCI device space memory reads, leading to information disclosure. This is an error in the get_user function. NOTE: the upstream Xen Project considers versions before 4.5.x to be EOL.
When was CVE-2017-7995 disclosed?
CVE-2017-7995 was first published in the National Vulnerability Database on May 3, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-7995 actively exploited?
CVE-2017-7995 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-7995?
CVE-2017-7995 has a CVSS v3 base score of 3.8 (NVD).
How do I remediate CVE-2017-7995?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-7995, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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