Detections
Analytics

Echo: mbedtls: security update to 3.6.6-0.1+e1

high Tenable Self-Hosted Container Security Plugin ID 455152

Description

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

 - ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows Incorrectly Signed Certificates
 vulnerability in mbedtls_ssl_get_verify_result() that can result in ECDSA-signed certificates are
 accepted, when only RSA-signed ones should be.. This attack appear to be exploitable via Peers negotiate a
 TLS-ECDH-RSA-* ciphersuite. Any of the peers can then provide an ECDSA-signed certificate, when only an
 RSA-signed one should be accepted.. (CVE-2018-1000520)

Solution

Update the mbedtls library and its related packages to version 3.6.6-0.1+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2018-1000520

Plugin Details

Severity: High

ID: 455152

Version: Revision 1.2

Type: Local

Published: 10/1/2026

Updated: 10/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-1000520

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:N/I:H/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: 5/27/2026

Vulnerability Publication Date: 6/26/2018

Reference Information

CVE: CVE-2018-1000520