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Fencer Vulns
high 8.3

CVE-2023-31240 json

Snap One OvrC Pro versions prior to 7.2 have their own locally running web server accessible both from the local network and remotely.

published 2023-05-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35555

cvss
8.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

Snap One OvrC Pro versions prior to 7.2 have their own locally running web server accessible both from the local network and remotely. OvrC cloud contains a hidden superuser account accessible through hard-coded credentials.

Patch / fix

  • Snap One OvrC Cloud 7.3

Vendor advisories

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

cisa ICSA-23-136-01 updated cvss 8.3

Snap One OvrC Cloud (Update A)

  • Snap One OvrC Pro <7.3
    affected: vendor fix, mitigation “Snap One has released the following updates/fixes for the affected products:” control4.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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Snap One OvrC Cloud

Classification

Weakness

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.