An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.4 may a
Fortinet's advisory names FortiClientEMS 7.4.4 and says the fix is to upgrade to 7.4.5 or above. The CVSS score is 9.1 (critical), and no vendor severity rating is given.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 7.4.5
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The vulnerability affects Fortinet FortiClientEMS, an endpoint management server product. An unauthenticated attacker could send specially crafted web requests to run unauthorized code or commands on the affected system.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.4 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- Record last updated
- CISA remediation deadline
Due date for US federal agencies to patch
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Fortinet FortiClientEMS
7.4.4
References 1
fortiguard.fortinet.com
Questions about CVE-2026-21643
What does this mean?
This SQL injection flaw in FortiClientEMS may allow an unauthenticated attacker to run unauthorized code or commands on the system. It happens because special characters in SQL commands are not properly neutralized.Source: fortiguard.fortinet.com
Am I affected, and how do I check?
The advisory names FortiClientEMS 7.4.4. The checked facts list no wider version range or extra setup conditions. Check the installed FortiClientEMS version against that release.Source: fortiguard.fortinet.com
What should I do about it?
Upgrade FortiClientEMS to 7.4.5 or above. No workaround is listed in the checked facts.Source: fortiguard.fortinet.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-04-13, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data