CVE-2017-12861
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe Epson "EasyMP" software is designed to remotely stream a users computer to supporting projectors.These devices are authenticated using a unique 4-digit code, displayed on-screen - ensuring only those who can view it are streaming.All Epson projectors supporting the "EasyMP" software are vulnerable to a brute-force vulnerability, allowing any attacker on the network to remotely control and stream to the vulnerable device
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceEpson EasyMP projectors use a 4-digit PIN code (only 10,000 possible combinations) displayed on-screen for authentication. The vulnerability allows remote network attackers to brute-force this PIN and gain unauthorized control of the projector to stream content or issue commands.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 2.86CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify EasyMP projector on networkScan the network for Epson projectors with EasyMP service enabled. Use network scanning tools or check device inventory for 'Epson EasyMP' entries. Common ports include 8000 and 8080 for EasyMP services.Affected if An Epson projector with EasyMP functionality is found on the network
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Verify EasyMP versionAccess the projector's web interface or check the EasyMP software version. The version is typically displayed in the projector's settings menu under 'Network' or 'EasyMP' settings. Compare the installed version against 2.86.Affected if The installed EasyMP version is exactly 2.86
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Confirm EasyMP network features are enabledCheck the projector's network settings to confirm EasyMP Network Projection or similar remote projection options are turned on. Look for settings like 'EasyMP Network Projection', 'EMP NS Connection', or 'PJLink' that enable remote projector control.Affected if EasyMP network projection features are enabled on the projector
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Assess network exposureDetermine if the projector is reachable from untrusted network segments. Check network segmentation and firewall rules to see if ports used by EasyMP (such as 8000, 8080) are exposed to untrusted networks.Affected if The projector is accessible from untrusted or guest network segments without proper isolation
The environment is affected if an Epson EasyMP projector version 2.86 has EasyMP network features enabled and is accessible from untrusted network segments, making it vulnerable to PIN brute-force attacks.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataIsolate EasyMP-enabled projectors on a separate network segment (VLAN) to limit exposure to untrusted network actors; consider disabling EasyMP if not required, and monitor for anomalous connection attempts.
- Consultation3.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2017-12861 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2017-12861 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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