Detections
Analytics

SCA: security update for go.etcd.io/etcd, go.etcd.io/etcd/v3 (GHSA-h6xx-pmxh-3wgp)

high Tenable Self-Hosted Container Security Plugin ID 415546

Description

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

 - etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication
 issue when role-based access control (RBAC) is used and client-cert-auth is enabled. If an etcd client
 server TLS certificate contains a Common Name (CN) which matches a valid RBAC username, a remote attacker
 may authenticate as that user with any valid (trusted) client certificate in a REST API request to the
 gRPC-gateway. (CVE-2018-16886)

See Also

https://github.com/advisories/GHSA-h6xx-pmxh-3wgp

Plugin Details

Severity: High

ID: 415546

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: 4.9

Percentile: 57.47

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2018-16886

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 4/12/2022

Vulnerability Publication Date: 1/11/2019

Reference Information

CVE: CVE-2018-16886

BID: 106540