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Fencer Vulns
critical 9.8

CVE-2023-33377 json

Connected IO v2.1.0 and prior has an OS command injection vulnerability in the set firewall command in part of its communication protocol,…

published 2023-08-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-37540

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Connected IO v2.1.0 and prior has an OS command injection vulnerability in the set firewall command in part of its communication protocol, enabling attackers to execute arbitrary OS commands on devices.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.52% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

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.