CVE-2023-40463
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 · uneditedWhen configured in debugging mode by an authenticated user with administrative privileges, ALEOS 4.16 and earlier store the SHA512 hash of the common root password for that version in a directory accessible to a user with root privileges or equivalent access.
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 confidenceWhen ALEOS 4.16 and earlier firmware is placed in debugging mode by an authenticated administrator, the system stores the SHA512 hash of the common root password in a directory accessible to root-privileged users, potentially enabling local privilege escalation or credential recovery attacks.
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<= 4.16.0CVSS 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
- 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 ALEOS firmware versionAccess the device administrative interface or check system information to determine the installed firmware version. Compare this version against the affected range (4.16.0 and earlier).Affected if The installed version is 4.16.0 or any earlier version
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Determine if debugging mode is enabledInspect the device configuration or settings panel to check whether debugging mode has been activated by an administrator. This may be visible in the system logs, debug settings, or diagnostic configuration.Affected if Debugging mode is currently enabled on the device
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Locate the file containing the root password hashSearch the accessible file system for the directory or file that stores the SHA512 hash of the common root password. This location becomes accessible when debugging mode is active.Affected if The SHA512 hash file exists and is readable in the filesystem
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Verify root-level access existsConfirm that the hash file is accessible to root-privileged users, as stated in the CVE description. Check file permissions on the discovered hash file.Affected if The hash file is accessible to root-privileged users on the system
The environment is affected if running ALEOS firmware version 4.16.0 or earlier with debugging mode enabled, and the SHA512 root password hash file is present and accessible to root-privileged users.
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 · scopedImmediately disable debugging mode when not actively troubleshooting, and change the default root password to a unique, strong password to prevent exploitation.
Aleos version higher than 4.16.0 (contact vendor for specific fixed release)
- 1. Identify the current Aleos firmware version running on the affected device
- 2. Upgrade the Aleos firmware to a version higher than 4.16.0 (contact Sierra Wireless for the specific fixed release)
- 3. After upgrade, verify that debugging mode does not expose credential hashes
- 4. If upgrading is not immediately possible, ensure that: only trusted administrative users are granted access, debugging mode is disabled unless explicitly required, and root access is restricted to essential personnel only
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,272.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-40463 — 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-2023-40463 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
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