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CVE-2021-41550

24
FAUCET Score

CVE-2021-41550 describes a critical vulnerability in Leostream Connection Broker version 9.0.40.17, allowing an authenticated administrator to upload and execute arbitrary Perl code. This vulnerability carries a CVSS v3.1 score of 7.2 (HIGH), indicating a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While the vulnerability is significant, there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or notable community discussion or media coverage, suggesting it is not widely targeted at this time.

Impacted Technologies

VendorProductVersion(s)CPE
9.0.40.17CPE matchmatch criteria
cpe:2.3:a:leostream:connection_broker:9.0.40.17:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
58.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 44th percentile among its peer group of 5,531 CVEs.

Social Chatter

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

leostream.com / wp-content/uploads/2018/11/Leostream_release_notes.pdf
Release NotesVendor Advisory
leostream.com / resource/leostream-connection-broker-9-0
Vendor Advisory