vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-20100

MEDIUM
6.7
CVSS Score
Published: June 28, 2021 at 10:29 AM UTC
Updated: June 17, 2026 at 03:33 AM UTC
2 products affected across 2 vendorsNessusNessus Agent· also runs on 1 platform

Using Nessus Agent by N/A?

Get instant alerts when new vulnerabilities affect Nessus Agent - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6.7
Exploit prediction
EPSS 0.5%

Description

Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows executables as the Nessus host. This is different than CVE-2021-20099.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Nessus· Tenable Network Security
95%
v < 8.2.5
Affected range stops below 8.2.5, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)
Nessus Agent· Tenable
60%
v ≤ 8.2.4

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.tenable.com/security/tns-2021-12

CVSS

6.7MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card