A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unpriv…

published 2021-04-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9851

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)

Patch / fix

fixed in 1

Schneider Electric C-Bus Toolkit 1.15.9

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-105-01 updated 2021-04-15 cvss 7.8

Schneider Electric C-Bus Toolkit

Schneider Electric Software, LLC C-Bus Toolkit <= 1.15.7
affected: mitigation “Schneider Electric recommends users update to the latest version available. A reboot will be needed after the update.” updates.clipsal.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

Schneider Electric C-Bus Toolkit

Classification

Weakness

CWE-732 Incorrect Permission Assignment for Critical Resource

References

Sources

CVE List CVE-2021-22716
NVD CVE-2021-22716

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary