CVE-2020-7846
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 · uneditedHelpcom before v10.0 contains a file download and execution vulnerability caused by storing hardcoded cryptographic key. It finally leads to a file download and execution via access to crafted web page.
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 · moderate confidenceHelpcom before v10.0 contains a hardcoded cryptographic key stored within the application binary or configuration. Attackers who discover this key can craft malicious web pages that sign or encrypt malicious payloads, causing the vulnerable application to download and execute arbitrary files on victim systems.
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< 10.0CVSS 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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 Helpcom versionLocate the installed Helpcom application and determine its version number. This is typically found in the application's 'About' dialog, installed program information, or version metadata within the application directory.Affected if The installed version is below 10.0 (any version < 10.0 is affected)
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Search for hardcoded cryptographic key in binary or configExamine the Helpcom executable file and any associated configuration files for the presence of a hardcoded cryptographic key. Use a hex editor or string search tool to scan the binary and config files for patterns resembling encryption keys or secrets.Affected if A hardcoded cryptographic key is found embedded in the binary or configuration files
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Identify web download/execution featureLocate Helpcom configuration files and examine whether there is a feature allowing the application to download and execute files from web pages or external sources.Affected if The web download or external file execution feature is enabled or present in the configuration
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Check for file validation mechanismsInspect the application configuration to determine if there are any validation, checksum, or signature verification mechanisms in place for downloaded files before they are executed.Affected if No validation, checksum, or signature verification is configured for downloaded files
You are affected if Helpcom version is below 10.0 AND contains a hardcoded cryptographic key AND has the web download/execution feature enabled without file validation.
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 data10.0
Upgrade to Helpcom v10.0 or later which removes the hardcoded key. If upgrading is not immediately possible, implement proper cryptographic key management and add validation/checksumming for any downloaded files before execution.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-7846 — 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-2020-7846 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
- No spam, self-promotion, credentials, or personal data