CVE-2017-8051

Appliance vulnerability

CVSS

9.8

EPSS

16.5%

EPSS pct

97th

Exploited

No known

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.

Affected vendor

Tenable

Affected product

Appliance

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2017-04-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 16.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2017-8051

Confirm whether Tenable Appliance is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-8051.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-8051

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-8051 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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