CVE-2020-15482
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 · uneditedAn issue was discovered on Nescomed Multipara Monitor M1000 devices. The device enables an unencrypted TELNET service by default, with a blank password for the admin account. This allows an attacker to gain root access to the device over the local network.
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 confidenceThe Nescomed Multipara Monitor M1000 ships with an unencrypted TELNET service enabled by default, utilizing a blank password for the admin account. This configuration allows any local network attacker to connect anonymously and gain root shell access to the device without authentication.
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 dataall versionsCVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/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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Verify TELNET port accessibilityScan the target device for open port 23 (TELNET) using nmap or similar network scanner: `nmap -p 23 <device_ip>`Affected if Port 23 is open and reachable from your network segment
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Test for unauthenticated TELNET accessAttempt an anonymous TELNET connection to the device: `telnet <device_ip>`. Observe whether a shell prompt is provided without requiring credentials.Affected if Connection succeeds and provides shell access without any authentication prompt
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Check admin account authenticationIf prompted for credentials during TELNET attempt, try the admin account with blank password: login as 'admin' with no password or empty password field.Affected if Access is granted with blank admin password, indicating the default vulnerable configuration is present
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Assess network exposureReview network segmentation and access control lists to determine if the device TELNET service is reachable from untrusted network segments or the broader local network.Affected if Device is accessible from network segments outside of isolated management VLANs or from untrusted systems
Your environment is affected if the Nescomed Multipara Monitor M1000 has TELNET port 23 accessible and allows unauthenticated root shell access, which is the default vulnerable configuration for all firmware versions.
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 dataDisable the TELNET service if not operationally required; if TELNET is necessary, implement strong authentication and network access controls. Consider network segmentation to isolate medical devices from untrusted networks.
- Consultation4.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA3.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2020-15482 — 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-2020-15482 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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