FortiwlmApplication · Fortinet
CVE-2023-34988
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 improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiWLM version 8.6.0 through 8.6.5 and 8.5.0 through 8.5.4 allows attacker to execute unauthorized code or commands via specifically crafted HTTP get request parameters.
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 confidenceOS command injection vulnerability in FortiWLM web interface allows attackers to inject arbitrary OS commands via specially crafted HTTP GET request parameters due to improper input sanitization. The vulnerability affects versions 8.5.0-8.5.4 and 8.6.0-8.6.5, enabling unauthenticated remote code execution with the privileges of the web service.
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
FortiwlmApplication
>= 8.5.0, <= 8.5.4>= 8.6.0, <= 8.6.5CVSS 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.
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Identify FortiWLM installation and versionLocate the FortiWLM installation directory and check the version file or use the system command to query the version (e.g., 'flxd -v' or check /opt/wlm/bin/ version files if present). Alternatively, access the web login page and look for version information in the footer or about page.Affected if The installed version falls within 8.5.0-8.5.4 or 8.6.0-8.6.5
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Confirm web interface is accessibleVerify that the FortiWLM web interface (typically on ports 8080, 8443, or 443) is listening and reachable from network locations. Check listening services with 'netstat -an | grep -E "(8080|8443|443)"' or review firewall rules.Affected if The management web interface is exposed to network access, providing the attack surface for the injection vulnerability
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Check for recent web access logsReview web server access logs (typically found in /var/log/ or within the FortiWLM logs directory) for unusual or suspicious HTTP GET requests containing shell metacharacters like ';', '|', '&&', '$(', or backticks in URL parameters.Affected if Log analysis reveals unsanitized input patterns in GET requests indicating potential exploitation attempts
The environment is affected if FortiWLM version is 8.5.0 through 8.5.4 or 8.6.0 through 8.6.5 AND the web interface is network-accessible, as the command injection occurs via unsanitized HTTP GET parameters.
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 · scopedApply vendor-supplied patches when available; implement strict input validation and avoid passing user-supplied parameters to system shell calls; restrict network access to FortiWLM management interfaces.
FortiWLM 8.6.6 or later (8.6 branch) / FortiWLM 8.5.5 or later (8.5 branch)
- 1. Identify the current FortiWLM version by accessing the web UI or CLI
- 2. Navigate to Fortinet's official support portal or FortiGuard to obtain the latest security patch information
- 3. Download the fixed FortiWLM version (version 8.6.6 or later for the 8.6 branch, or version 8.5.5 or later for the 8.5 branch)
- 4. Backup the current FortiWLM configuration
- 5. Schedule a maintenance window as upgrades may require brief downtime
- 6. Follow Fortinet's official upgrade procedure documentation for FortiWLM
- 7. After upgrade, verify the version number matches the fixed release
- 8. Test that normal FortiWLM operations function correctly
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Fortiwlm
Scoped from the published advisory
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,888.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-34988 — 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-2023-34988 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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