Detections
Analytics

SCA: security update for istio.io/istio (GHSA-hqxw-mm44-gc4r)

high Tenable Self-Hosted Container Security Plugin ID 415904

Description

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

 - Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic
 flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below,
 and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in
 the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1,
 Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize the path.
 (CVE-2021-39156)

See Also

https://github.com/advisories/GHSA-hqxw-mm44-gc4r

Plugin Details

Severity: High

ID: 415904

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: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-39156

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/30/2021

Vulnerability Publication Date: 8/24/2021

Reference Information

CVE: CVE-2021-39156