CVE-2023-28386: Snap One OvrC Pro devices versions 7.2 and prior do not validate firmware updates correctly

Q: How do I fix CVE-2023-28386?

orvc: upgrade to 7.3.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-28386 being exploited?

CVE-2023-28386 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-28386 affect?

CVE-2023-28386 affects orvc. Severity is high (CVSS 8.6). Snap One OvrC Pro devices versions 7.2 and prior do not validate firmware updates correctly. The device only calculates the MD5 hash of the firmware and does not check using a private-public key mechanism. The lack of complete PKI system fi

Q: How urgent is CVE-2023-28386?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.6REMOTEUPGRADE

CVE-2023-28386 is a high-severity flaw (CVSS 8.6) affecting orvc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Snap One OvrC Pro devices versions 7.2 and prior do not validate firmware updates correctly. The device only calculates the MD5 hash of the firmware and does not check using a private-public key mechanism. The lack of complete PKI system firmware signature could allow attackers to upload arbitrary firmware updates, resulting in code execution.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-354, CWE-345
Published	2023-05-22
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: snapone

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-05-22 20:15 UTCPublished CVE record published
2026-06-17 05:47 UTCUpdated Record last modified

snapone orvc UPGRADE

Affected: < 7.3.0

Fixed in: 7.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy orvc || rpm -q orvc || orvc --version

2. UPGRADE to 7.3.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade orvc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade orvc

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-28386?

orvc: upgrade to 7.3.0. Exact commands for each OS are on this page.

Is CVE-2023-28386 being exploited?

CVE-2023-28386 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-28386 affect?

CVE-2023-28386 affects orvc. Severity is high (CVSS 8.6). Snap One OvrC Pro devices versions 7.2 and prior do not validate firmware updates correctly. The device only calculates the MD5 hash of the firmware and does not check using a private-public key mechanism. The lack of complete PKI system fi

How urgent is CVE-2023-28386?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-31245 HIGH 7.1 UPGRADE Devices using Snap One OvrC cloud are sent to a web address when accessing a web mana
CVE-2023-31241 HIGH 8.6 UPGRADE Snap One OvrC cloud servers contain a route an attacker can use to bypass requirements and claim devices outri
CVE-2023-31240 HIGH 8.3 UPGRADE Snap One OvrC Pro versions prior to 7.2 have their own locally running web server accessible both from the loc
CVE-2023-31193 HIGH 7.5 UPGRADE Snap One OvrC Pro versions prior to 7.3 use HTTP connections when downloading a program from thei
CVE-2023-28649 HIGH 8.6 UPGRADE The Hub in the Snap One OvrC cloud platform is a device used to centralize and manage nested devices connected

References

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