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CVE-2022-40428

30
FAUCET Score

CVE-2022-40428 describes a critical code-execution backdoor found in version 0.1.0 of the d8s-mpeg Python package, distributed via PyPI, which was introduced by a third-party as the 'democritus-networking' package. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating a severe risk due to its network-based attack vector, low attack complexity, and high potential for complete compromise of confidentiality, integrity, and availability. While the vulnerability is critical, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
0.1.0CPE matchmatch criteria
cpe:2.3:a:d8s-mpeg_project:d8s_mpeg:0.1.0:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 47th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / democritus-project/d8s-mpeg/issues/5
ExploitIssue TrackingThird Party Advisory
pypi.org / project/democritus-networking
Product