CVE-2021-20077

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Published Mar 19, 2021 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed

Description

Nessus Agent versions 7.2.0 through 8.2.2 were found to inadvertently capture the IAM role security token on the local host during initial linking of the Nessus Agent when installed on an Amazon EC2 instance. This could allow a privileged attacker to obtain the token.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

Tenable Nessus Agent

affected

Version	Status	Constraints
`7.2.0 through 8.2.2`	affected	—

Configuration 1 [-]

cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-7539	Nessus Agent versions 7.2.0 through 8.2.2 were found to inadvertently capture the IAM role security token on the local host during initial linking of the Nessus Agent when installed on an Amazon EC2 instance. This could allow a privileged attacker to obtain the token.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.346% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.tenable.com/security/tns-2021-04-0
https://www.tenable.com/security/tns-2021-07

History

No history.

Subscriptions

Tenable Nessus Agent

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Aug 3, 2024, 5:30 PM

Status: PUBLISHED
Assigner: tenable
Published: Mar 19, 2021, 6:46 PM
Updated: Aug 3, 2024, 5:30 PM
Reserved: Dec 17, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:33 AM

Status: Modified
Published: Mar 19, 2021, 7:15 PM
Modified: Jun 17, 2026, 3:33 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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