FortiwlmApplication · Fortinet

CVE-2023-34989

HIGH · 8.8 CVSS v3.1 Published 2023-10-10
Fix available
A fix is available. Upgrade to after 8.6.5 or later.
See remediation →
94/100
Remediation priority · Urgent
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
A 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 confidence

OS command injection vulnerability in FortiWLM versions 8.5.0-8.5.4 and 8.6.0-8.6.5 allows remote attackers to execute arbitrary OS commands via specially crafted HTTP GET request parameters. The vulnerability stems from improper neutralization of special elements in user-supplied input that gets passed to underlying OS command execution functions.

MitigationUpgrade FortiWLM to version 8.6.6 or later (or 8.5.5 or later for the 8.5 branch) to obtain the vendor patch. If immediate patching is not feasible, restrict network access to the management interface and implement web application firewall rules to detect and block malicious request patterns.

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
Affected:>= 8.5.0, <= 8.5.4>= 8.6.0, <= 8.6.5

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
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 checks

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

  1. Identify FortiWLM version
    Log into the FortiWLM management interface or check the system information page. From CLI, run: 'get system status' or 'fwmanager -v'. Alternatively, check the /var/log/messages or installation logs for the version string.
    Affected if The displayed version falls within 8.5.0 through 8.5.4, or 8.6.0 through 8.6.5
  2. Verify management interface exposure
    Check network configuration to determine if the FortiWLM web interface (typically ports 8080, 8443, or 443) is bound to a public or untrusted network interface. Use 'show system interface' from CLI or review network firewall rules.
    Affected if The management web interface is accessible from untrusted networks or the internet without IP restriction
  3. Inspect HTTP access logs for injection attempts
    Review web server logs (typically located in /var/log/httpd/, /var/log/nginx/, or within the FortiWLM GUI logs) for HTTP GET requests containing suspicious patterns such as: semicolons (;), pipe symbols (|), backticks (`), $(), or command keywords like wget, curl, whoami, id, ls.
    Affected if Logs contain GET requests with command injection payloads in the URL parameters targeting the FortiWLM interface

You are affected if FortiWLM version is 8.5.0-8.5.4 or 8.6.0-8.6.5 AND the management interface is exposed to network where attackers can send malicious HTTP requests.

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.

dbcve · scoped
Upgrade available Upgrade to a release after 8.6.5
Interim mitigation

Upgrade FortiWLM to version 8.6.6 or later (or 8.5.5 or later for the 8.5 branch) to obtain the vendor patch. If immediate patching is not feasible, restrict network access to the management interface and implement web application firewall rules to detect and block malicious request patterns.

Recommended fix High confidence

FortiWLM 8.5.5 or later (8.5.x branch); FortiWLM 8.6.6 or later (8.6.x branch)

  1. 1. Identify the current FortiWLM version by checking the system administration interface or running 'get system status' command
  2. 2. If running version 8.5.0-8.5.4, plan upgrade to version 8.5.5 or later in the 8.5.x branch
  3. 3. If running version 8.6.0-8.6.5, plan upgrade to version 8.6.6 or later in the 8.6.x branch
  4. 4. Download the appropriate firmware upgrade from Fortinet support portal (support.fortinet.com)
  5. 5. Review FortiWLM upgrade documentation and release notes for pre-upgrade requirements
  6. 6. Create a complete system backup before initiating the upgrade
  7. 7. Test the upgrade in a non-production environment first
  8. 8. Apply the upgrade during a planned maintenance window
Caveat Review release notes for any configuration or behavioral changes between versions; test thoroughly in staging before production deployment

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
21.0 hours of engineering $3,680
Get the upgrade done

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 locally
dbcve dependency scanner

Check whether your project pulls in CVE-2023-34989 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-34989 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

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