CVE-2022-39059
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 · uneditedChangingTech MegaServiSignAdapter component has a path traversal vulnerability within its file reading function. An unauthenticated remote attacker can exploit this vulnerability to access arbitrary system files.
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 confidenceThe ChangingTech MegaServiSignAdapter component contains a path traversal vulnerability in its file reading function. An unauthenticated remote attacker can exploit this by manipulating file paths to access arbitrary system files outside the intended directory, potentially exposing sensitive configuration files, credentials, or system files.
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< 1.0.22.1004CVSS 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
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 if MegaServiSignAdapter is runningLocate the MegaServiSignAdapter service or process on the system. Check running services, installed applications, or processes listening on network ports typical for this component.Affected if The service or process is found running on the system
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Determine installed versionQuery the installed version of the MegaServiSignAdapter component using vendor提供的ツール、ファイルバージョン情報、または設定インターフェース。比較対象は1.0.22.1004です。Affected if The installed version is lower than 1.0.22.1004
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Verify file reading function is accessibleIdentify whether the file reading functionality of the component is exposed via web API, network service, or other interface. Check exposed endpoints or services that handle file path parameters.Affected if The file reading function is exposed and accepts user-supplied file paths
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Confirm network accessibilityDetermine if the service is listening on network interfaces accessible to attackers. Check binding addresses and firewall rules.Affected if The vulnerable component is accessible over the network without proper access controls
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Review for exploitation indicatorsExamine application logs, access logs, or system audit logs for patterns indicating path traversal attempts (such as ../ sequences in file access requests).Affected if Suspicious path traversal patterns are found in logs related to file access requests
The system is affected if MegaServiSignAdapter is running with a version below 1.0.22.1004 and the file reading function is network-accessible with user-controllable file path inputs.
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.
dbcve · scoped1.0.22.1004
Implement strict input validation and path sanitization on all file path parameters, using allowlists and canonicalization to prevent directory traversal sequences (../). Restrict file access permissions to the minimum required and apply vendor patches when available.
1.0.22.1004 or later
- Identify the current version of MegaServiSignAdapter installed on the system
- Obtain the fixed version (1.0.22.1004 or later) from the vendor ChangingTech
- Follow the vendor's standard upgrade procedure to apply the update
- Verify that the upgraded version is 1.0.22.1004 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA6.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $9,504.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-39059 — 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-2022-39059 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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