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CVE-2021-22719

49
FAUCET Score

CVE-2021-22719 is a critical path traversal vulnerability (CWE-22) affecting Schneider Electric C-Bus Toolkit versions 1.15.7 and prior. This flaw allows an authenticated remote attacker to achieve arbitrary remote code execution by uploading a specially crafted file. With a CVSS score of 8.8 (High), it presents a significant risk due to its network-based attack vector and high impact on confidentiality, integrity, and availability. Despite its severity, there is currently no public exploit code available, nor is it listed in the CISA KEV catalog, and it has received minimal community or media attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.15.7CPE matchmatch criteria
cpe:2.3:a:schneider-electric:c-bus_toolkit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
40.58%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.4058 is in the 98th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

download.schneider-electric.com / files
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-449
Third Party AdvisoryVDB Entry