Skip to content
Fencer Vulns
critical 9.8

CVE-2017-8051 in the critical feed json

Tenable Appliance 3.5 - 4.4.0, and possibly prior versions, contains a flaw in the simpleupload.py script in the Web UI.

published 2017-04-21 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17015

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.5%
EPSS 16.5% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. First public exploit (EDB-41892)
  2. Published

Exploit prediction

16.48% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-41892 Tenable Appliance < 4.5 - Root Remote Code Execution remote, 2017-04-18

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.