CVE-2017-8051

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 16%CVSS: 9.8Exploit: NoneExposed: 0

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

Tenable Appliance 3.5 - 4.4.0, and possibly prior versions, contains a flaw in the simpleupload.py script in the Web UI. Through the manipulation of the tns_appliance_session_user parameter, a remote attacker can inject arbitrary commands.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
96.6%
KEV
Not listed

Published

April 21, 2017

Last Modified

May 13, 2026

Advisory Details (3)

Auto-updated Jun 24, 2026
Patch available.
generic

VulnDB

https://vulndb.cyberriskanalytics.com/153135
generic Patch Available

[R6] Tenable Appliance 4.5.0 Fixes Multiple Vulnerabilities - Security Advisory | Tenable®

http://www.tenable.com/security/tns-2017-07
generic🟡 PoC Available

Tenable Appliance < 4.5 - Root Remote Code Execution - Linux remote Exploit

https://www.exploit-db.com/exploits/41892/

Data Freshness Timeline

(refreshed 8× in last 7d / 31× 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. 2026-07-07 13:42 UTCEPSS rescore
  2. 2026-07-06 16:24 UTCEPSS rescore
  3. 2026-07-06 16:24 UTCEPSS rescore
  4. 2026-07-05 02:27 UTCEPSS rescore
  5. 2026-07-02 16:54 UTCEPSS rescore
  6. 2026-07-01 15:03 UTCEPSS rescore
  7. 2026-06-30 23:19 UTCEPSS rescore
  8. 2026-06-30 23:19 UTCEPSS rescore
  9. 2026-06-29 14:03 UTCEPSS rescore
  10. 2026-06-28 14:04 UTCEPSS rescore
  11. 2026-06-28 04:53 UTCEPSS rescore
  12. 2026-06-28 04:53 UTCEPSS rescore
  13. 2026-06-27 03:06 UTCEPSS rescore
  14. 2026-06-25 13:47 UTCEPSS rescore
  15. 2026-06-24 14:02 UTCEPSS rescore
  16. 2026-06-24 14:02 UTCEPSS rescore
  17. 2026-06-23 21:30 UTCEPSS rescore
  18. 2026-06-23 21:30 UTCEPSS rescore
  19. 2026-06-21 01:57 UTCEPSS rescore
  20. 2026-06-21 01:57 UTCEPSS rescore
  21. 2026-06-19 19:23 UTCEPSS rescore
  22. 2026-06-19 19:23 UTCEPSS rescore
  23. 2026-06-18 17:50 UTCEPSS rescore
  24. 2026-06-17 17:50 UTCEPSS rescore
  25. 2026-06-16 17:50 UTCEPSS rescore
Show 57 more
  1. 2026-06-15 17:45 UTCEPSS rescore
  2. 2026-06-14 23:14 UTCEPSS rescore
  3. 2026-06-14 23:14 UTCEPSS rescore
  4. 2026-06-12 23:09 UTCEPSS rescore
  5. 2026-06-12 23:09 UTCEPSS rescore
  6. 2026-06-10 22:15 UTCEPSS rescore
  7. 2026-06-05 22:44 UTCEPSS rescore
  8. 2026-06-05 22:44 UTCEPSS rescore
  9. 2026-06-04 13:10 UTCEPSS rescore
  10. 2026-06-04 13:10 UTCEPSS rescore
  11. 2026-06-02 20:11 UTCEPSS rescore
  12. 2026-06-02 20:11 UTCEPSS rescore
  13. 2026-06-01 13:49 UTCEPSS rescore
  14. 2026-06-01 13:49 UTCEPSS rescore
  15. 2026-05-31 22:28 UTCEPSS rescore
  16. 2026-05-31 00:14 UTCEPSS rescore
  17. 2026-05-31 00:14 UTCEPSS rescore
  18. 2026-05-29 13:41 UTCEPSS rescore
  19. 2026-05-28 13:42 UTCEPSS rescore
  20. 2026-05-28 13:42 UTCEPSS rescore
  21. 2026-05-22 21:15 UTCEPSS rescore
  22. 2026-05-22 21:15 UTCEPSS rescore
  23. 2026-05-22 21:15 UTCEPSS rescore
  24. 2026-05-22 21:15 UTCEPSS rescore
  25. 2026-05-22 21:15 UTCEPSS rescore
  26. 2026-05-22 21:15 UTCEPSS rescore
  27. 2026-05-22 21:15 UTCEPSS rescore
  28. 2026-05-21 22:40 UTCEPSS rescore
  29. 2026-05-21 22:40 UTCEPSS rescore
  30. 2026-05-20 11:21 UTCEPSS rescore
  31. 2026-05-20 11:21 UTCEPSS rescore
  32. 2026-05-20 11:21 UTCEPSS rescore
  33. 2026-05-20 11:21 UTCEPSS rescore
  34. 2026-05-20 11:21 UTCEPSS rescore
  35. 2026-05-20 11:21 UTCEPSS rescore
  36. 2026-05-20 10:09 UTCEG score recompute
  37. 2026-05-20 10:09 UTCGHSA enrichment
  38. 2026-05-20 06:16 UTCEG score recompute
  39. 2026-05-20 06:16 UTCGHSA enrichment
  40. 2026-05-20 02:23 UTCEG score recompute
  41. 2026-05-20 02:23 UTCGHSA enrichment
  42. 2026-05-19 22:30 UTCEG score recompute
  43. 2026-05-19 22:30 UTCGHSA enrichment
  44. 2026-05-19 18:37 UTCEG score recompute
  45. 2026-05-19 18:37 UTCGHSA enrichment
  46. 2026-05-19 14:44 UTCEG score recompute
  47. 2026-05-19 14:44 UTCGHSA enrichment
  48. 2026-05-19 10:51 UTCEG score recompute
  49. 2026-05-19 10:51 UTCGHSA enrichment
  50. 2026-05-19 06:57 UTCEG score recompute
  51. 2026-05-19 06:57 UTCGHSA enrichment
  52. 2026-05-19 03:04 UTCEG score recompute
  53. 2026-05-19 03:04 UTCGHSA enrichment
  54. 2026-05-18 23:09 UTCEG score recompute
  55. 2026-05-18 21:30 UTCEPSS rescore
  56. 2026-05-18 21:30 UTCEPSS rescore
  57. 2026-05-18 21:30 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-41892
    First seen Apr 18, 2017

    Tenable Appliance < 4.5 - Root Remote Code Execution

    Open source ↗

Frequently asked(5)

What is CVE-2017-8051?
CVE-2017-8051 is a critical vulnerability published on April 21, 2017. Tenable Appliance 3.5 - 4.4.0, and possibly prior versions, contains a flaw in the simpleupload.py script in the Web UI. Through the manipulation of the tnsappliancesession_user parameter, a remote attacker can inject arbitrary commands.
When was CVE-2017-8051 disclosed?
CVE-2017-8051 was first published in the National Vulnerability Database on April 21, 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-2017-8051 actively exploited?
CVE-2017-8051 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-8051?
CVE-2017-8051 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-8051?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-8051, 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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