CVE-2023-37237
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 · uneditedIn Veritas NetBackup Appliance before 4.1.0.1 MR3, insecure permissions may allow an authenticated Admin to bypass shell restrictions and execute arbitrary operating system commands via SSH.
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 · high confidenceAn authenticated administrator on Veritas NetBackup Appliance can exploit insecure permissions to bypass built-in shell restrictions and execute arbitrary operating system commands through SSH, effectively achieving privilege escalation beyond the intended admin role boundaries.
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< 4.1.0.1= 4.1.0.1CVSS 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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/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 the NetBackup Appliance versionAccess the appliance shell and run the command to display the system version (typically via `vxversion`, `nbdevconfig -version`, or the system management interface)Affected if The displayed version is 4.1.0.1 or any version lower than 4.1.0.1
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Verify SSH service statusCheck if the SSH daemon is running and enabled on the appliance using system service commands or by reviewing the SSH configuration filesAffected if SSH is active and accessible for administrative accounts
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Confirm administrative account accessReview which accounts have SSH authentication capability and verify they are configured with elevated privilegesAffected if Administrative-level accounts can authenticate via SSH
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Examine shell restriction configurationsInspect the configured shell environment for admin users to determine if restrictions are properly enforced (check for custom shells, restricted bash configurations, or permission settings)Affected if Shell restrictions are absent, misconfigured, or can be bypassed via SSH
The environment is affected if the NetBackup Appliance version is 4.1.0.1 or lower AND administrative accounts have active SSH access with exploitable shell configurations.
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 · scoped4.1.0.1
Apply vendor patch 4.1.0.1 MR3 or upgrade to a patched version; in the interim, review SSH access policies and limit administrative accounts to reduce attack surface.
NetBackup Appliance 4.1.0.1 MR3 (or later)
- Ensure all critical data is backed up before initiating the upgrade process
- Log in to the NetBackup Appliance Web Console or use the Appliance Shell
- Navigate to the Software Updates or Maintenance section
- Download and apply NetBackup Appliance version 4.1.0.1 MR3 or later from Veritas Support website
- Follow the on-screen prompts to complete the upgrade installation
- Verify the upgrade was successful by checking the Appliance version in the Admin Console
- Confirm shell restrictions are properly enforced after upgrade by testing admin access controls
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation3.0 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 $3,440.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-37237 — 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-2023-37237 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