CVE-2019-18308
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 · uneditedA vulnerability has been identified in SPPA-T3000 MS3000 Migration Server (All versions). An attacker with local access to the MS3000 Server and a low privileged user account could gain root privileges by manipulating specific files in the local file system. This vulnerability is independent from CVE-2019-18309. Please note that an attacker needs to have local access to the MS3000 in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.
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 confidenceLocal privilege escalation vulnerability in SPPA-T3000 MS3000 Migration Server allows a low-privileged local user to gain root privileges by manipulating specific files in the local filesystem. The attacker requires local access (physical or terminal) to the MS3000 server and a low-privileged account.
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 dataall versionsCVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/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.
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Identify the installed productCheck system inventory or running services for 'SPPA-T3000', 'MS3000', or 'Migration Server' components. On Linux, run: grep -ri 'sppa\|ms3000\|migration' /etc/ or inspect running processes for related binaries.Affected if The system runs Siemens Sppa-T3000 MS3000 Migration Server software, as all versions are affected.
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Verify file permissions on sensitive system filesInspect ownership and permissions on critical system files such as /etc/passwd, /etc/shadow, /etc/sudoers, and startup scripts. Use: ls -la /etc/passwd /etc/shadow /etc/sudoers and compare against expected secure permissions.Affected if Any of these files are writable by non-root users or have unexpected ownership, indicating potential manipulation for privilege escalation.
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Check for unauthorized modifications to SUID/SGID binariesIdentify all SUID/SGID files on the system: find / -perm -4000 -o -perm -2000 2>/dev/null. Review any binaries owned by root but recently modified or with unexpected timestamps.Affected if Suspicious SUID/SGID binaries exist, especially those related to the Migration Server application or with unexpected characteristics.
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Review system logs for privilege escalation indicatorsExamine /var/log/secure, /var/log/auth.log, or /var/log/messages for failed sudo attempts, unusual su executions, or privilege escalation activity from low-privileged accounts.Affected if Logs show privilege escalation attempts or successful escalation from a low-privileged user context.
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Audit user accounts and group membershipsReview /etc/group for unexpected additions to root-equivalent groups (wheel, sudo, root). Check /etc/passwd for new accounts with high UID values or shell access.Affected if Unauthorized accounts exist with elevated privileges or unexpected users have been added to privileged groups.
A system is affected if it runs Siemens SPPA-T3000 MS3000 Migration Server software and shows evidence of file permission weaknesses, unauthorized SUID binaries, or account modifications that could enable a low-privileged user to escalate to root.
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 dataRestrict physical and console access to the MS3000 server; implement strict file permissions and ownership controls on sensitive system files; apply vendor patches when available.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-18308 — 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-2019-18308 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
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