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CpanelApplication

CVE-2019-20495

MEDIUM · 6.5 CVSS v3.1 Published 2020-03-17
Fix available
A fix is available. Upgrade to 82.0.18 / 84.0.10 or later.
See remediation →
71/100
Remediation priority · Elevated
Remotely reachable Zero-click

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 · unedited
cPanel before 82.0.18 allows attackers to read an arbitrary database via MySQL dump streaming (SEC-531).

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 confidence

cPanel before version 82.0.18 contains a vulnerability in its MySQL dump streaming functionality that allows authenticated attackers to read arbitrary databases on the server. This appears to be a path traversal or improper access control issue in the database backup/dump mechanism.

MitigationUpgrade cPanel to version 82.0.18 or later to remediate this vulnerability. If immediate upgrade is not possible, consider restricting MySQL access permissions and monitoring for unusual database dump activity.

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
CpanelApplication
Affected:>= 81.9999.242, < 82.0.18>= 83.9999.115, < 84.0.10

CVSS 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
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/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 checks

Work through these to decide whether this CVE applies to you.

  1. Check cPanel version
    Run: whmapi1 version or examine /usr/local/cpanel/version file
    Affected if Version is 81.9999.242 through 82.0.17, or 83.9999.115 through 84.0.9
  2. Verify MySQL database feature is accessible
    Confirm that cPanel user account features include MySQL database creation and management capabilities
    Affected if User account has MySQL database privileges enabled in cPanel
  3. Review database access logs
    Examine cPanel and MySQL audit logs for unexpected database dump or backup operations, particularly targeting databases outside the authenticated user's assigned scope
    Affected if Logs show database dump operations on databases the user should not own or have access to
  4. Audit MySQL user accounts
    List all MySQL users in the system and identify which cPanel accounts have MySQL access credentials
    Affected if Multiple cPanel user accounts have MySQL access that could potentially exploit the dump streaming functionality

Environment is affected if running a cPanel version within the vulnerable ranges AND the MySQL database dump/backup feature is accessible to authenticated user accounts.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Upgrade available Upgrade to 82.0.18 / 84.0.10 or later
Fixed in 82.0.1884.0.10
Interim mitigation

Upgrade cPanel to version 82.0.18 or later to remediate this vulnerability. If immediate upgrade is not possible, consider restricting MySQL access permissions and monitoring for unusual database dump activity.

Fix this in Cpanel Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
7.0 hours of engineering $1,240
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,984.

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-20495 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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