CVE-2020-1811
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 · uneditedGaussDB 200 with version of 6.5.1 have a command injection vulnerability. Due to insufficient input validation, remote attackers with low permissions could exploit this vulnerability by sending crafted commands to the affected device. Successful exploit could allow an attacker to execute commands.
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 confidenceCommand injection vulnerability in GaussDB 200 version 6.5.1 where insufficient input validation allows remote authenticated attackers with low privileges to execute arbitrary OS commands by sending crafted input to the affected device.
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= 6.5.1CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/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.
-
Identify GaussDB 200 versionRun the query 'SELECT version();' or check the product documentation for the installed GaussDB 200 instance to retrieve the exact version numberAffected if The version returned equals 6.5.1 exactly
-
Verify network accessibilityCheck if the GaussDB 200 service port (typically 1888 or configured port) is exposed to network segments accessible by untrusted usersAffected if The database port is reachable from untrusted or public networks
-
Audit database user accountsQuery the database user list using 'SELECT usename FROM pg_user;' or equivalent GaussDB system catalog to enumerate all authenticated accountsAffected if There are any user accounts with low privileges that could be exploited for command injection
-
Check for application input handlingReview application code or configuration that feeds user-supplied input to database queries, focusing on any areas where OS-level commands may be constructedAffected if User input is passed to database functions without sanitization
You are affected if your GaussDB 200 installation is exactly version 6.5.1 and accepts authenticated connections from low-privilege users over accessible network paths.
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 security patch for GaussDB 200 version 6.5.1 or upgrade to a patched version; implement strict input validation on all user-supplied data and enforce least-privilege database accounts.
- 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-2020-1811 — 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-2020-1811 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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