Detections
Analytics

SCA: security update for keystone (GHSA-f82m-w3p3-cgp3)

medium Tenable Cloud Security Plugin ID 433591

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote
 authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by
 rescoping a token. (CVE-2016-4911)

See Also

https://github.com/advisories/GHSA-f82m-w3p3-cgp3

Plugin Details

Severity: Medium

ID: 433591

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 8/19/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS Score Source: CVE-2016-4911

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 1.3

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/17/2022

Vulnerability Publication Date: 5/17/2016

Reference Information

CVE: CVE-2016-4911

BID: 90728

cwe: CWE-284