CVE-2020-27279
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 · uneditedA NULL pointer deference vulnerability has been identified in the protocol converter. An attacker could send a specially crafted packet that could reboot the device running Crimson 3.1 (Build versions prior to 3119.001).
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 confidenceA NULL pointer dereference vulnerability in the protocol converter of Crimson 3.1 allows remote attackers to cause device reboot via specially crafted packets. This affects build versions prior to 3119.001.
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= 3.1CVSS 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
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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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Confirm Crimson 3.1 installationLocate the Redlion Crimson software on the target system by checking installed programs, program files directory, or scanning for 'Crimson' executable filesAffected if Crimson 3.1 software is found on the system
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Identify Crimson build versionAccess the software version information through the Crimson application (typically via Help > About), the Windows Programs and Features list, or by right-clicking the Crimson executable and selecting Properties > DetailsAffected if The build version displayed is lower than 3119.001 or the build number cannot be verified as 3119.001 or higher
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Verify protocol converter exposureCheck if the Crimson protocol converter service is running and accessible by reviewing network configuration, open ports, or service status related to Crimson communication featuresAffected if The protocol converter is active and reachable from network sources
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Assess network accessibilityReview firewall rules, network segmentation, and access controls to determine if the Crimson device is exposed to untrusted network sourcesAffected if The device is directly accessible from untrusted or external networks without proper access controls
The environment is affected if Crimson 3.1 is installed with a build version prior to 3119.001 and the protocol converter is network-accessible.
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 dataUpgrade Crimson 3.1 to build 3119.001 or later to remediate this vulnerability. If immediate patching is not feasible, network segmentation and access controls should be implemented to limit exposure to untrusted network sources.
- Consultation4.0 h
- Implementation6.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-27279 — 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-2020-27279 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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