CVE-2021-37270
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 · uneditedThere is an unauthorized access vulnerability in the CMS Enterprise Website Construction System 5.0. Attackers can use this vulnerability to directly access the specified background path without logging in to the background to obtain the background administrator authority.
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 confidenceAuthentication bypass vulnerability in CMS Enterprise Website Construction System 5.0 allowing unauthenticated attackers to directly access后台 (admin) paths and obtain full administrator privileges without credentials.
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= 5.0CVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/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 if S Cms Enterprise Website Construction System is installedCheck for web application directories, running services, or application fingerprints that indicate S Cms CMS is present. Look for typical installation paths or check web server logs for requests to S Cms-related paths.Affected if The product S Cms Cms Enterprise Website Construction System is found to be running in the environment
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Confirm the installed version is 5.0Locate the version file, about page, or application metadata that displays the CMS version. Common locations include a /about, /version, or /admin/info endpoint, or a version file in the web root.Affected if The installed version is exactly 5.0, matching the affected version range
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Test admin path access without authenticationAttempt to access common admin paths such as /admin, /后台, /admin/login, or /admin/index directly via HTTP GET request without providing any credentials or session cookie.Affected if Admin pages load successfully without any authentication challenge, indicating the bypass is present
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Verify no authentication enforcement exists on admin endpointsReview web server configuration (nginx.conf, httpd.conf, .htaccess) or application-level routing configuration to determine if admin paths have authentication rules or access controls defined.Affected if No authentication middleware, IP restrictions, or access controls are configured for admin paths
A user is affected if S Cms Enterprise Website Construction System version 5.0 is installed AND admin paths are accessible without any authentication credentials or session.
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 dataApply vendor patch if available; otherwise, implement proper authentication enforcement on all admin endpoints or restrict admin path access via web server-level controls (e.g., IP allowlisting, additional authentication layer).
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 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 $5,120.
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Free · runs locallyCheck whether your project pulls in CVE-2021-37270 — 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-2021-37270 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