Detections
Analytics

SCA: security update for leo (GHSA-x38q-xg2h-rxgx)

high Tenable Cloud Security Plugin ID 422697

Description

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

 - Leo Editor v6.2.1 was discovered to contain a regular expression denial of service (ReDoS) vulnerability
 in the component plugins/importers/dart.py. (CVE-2020-23478)

See Also

https://github.com/advisories/GHSA-x38q-xg2h-rxgx

Plugin Details

Severity: High

ID: 422697

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 3/28/2025

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: 3.9

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

CVSS Score Source: CVE-2020-23478

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/23/2021

Vulnerability Publication Date: 9/22/2021

Reference Information

CVE: CVE-2020-23478