Detections
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SCA: security update for istio.io/istio (GHSA-82mm-ffjr-h86c)

medium Tenable Cloud Security Plugin ID 412370

Description

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

 - In Istio 1.5.0 though 1.5.8 and Istio 1.6.0 through 1.6.7, when users specify an AuthorizationPolicy
 resource with DENY actions using wildcard suffixes (e.g. *-some-suffix) for source principals or namespace
 fields, callers will never be denied access, bypassing the intended policy. (CVE-2020-16844)

See Also

https://github.com/advisories/GHSA-82mm-ffjr-h86c

Plugin Details

Severity: Medium

ID: 412370

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.04

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2020-16844

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.1

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/15/2022

Vulnerability Publication Date: 8/11/2020

Reference Information

CVE: CVE-2020-16844

cwe: CWE-284