CVE-2021-20077
MEDIUM
6.7
CVSS Score
Published: March 19, 2021 at 06:46 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
1 product affected across 1 vendorNessus Agent
Using Tenable Nessus Agent by N/A?
Get instant alerts when new vulnerabilities affect Tenable Nessus Agent - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.7
Exploit prediction
EPSS 0.3%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 8.2.27.2.0 ≤ v < 8.2.3
Affected range stops below 8.2.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCx_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://www.tenable.com/security/tns-2021-04-0x_refsource_MISCNot ApplicableVendor Advisory
Source: [email protected]
https://www.tenable.com/security/tns-2021-07CVSS
- 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.
Free plan, no card