Detections
Analytics

Echo: pycryptodomex: security update to 3.19.1

high Tenable Self-Hosted Container Security Plugin ID 463840

Description

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

 - PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable
 for a Manger attack. (CVE-2023-52323)

Solution

Update the pycryptodomex library and its related packages to version 3.19.1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2023-52323

Plugin Details

Severity: High

ID: 463840

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2023-52323

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 4.9

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2026

Vulnerability Publication Date: 1/5/2024

Reference Information

CVE: CVE-2023-52323

IAVB: 2024-B-0003