Exploited vulnerability · CISA KEV

Is CVE-2024-23692 exploited? Yes: in CISA KEV since 9 Jul 2024

Gociux · Rejetto HTTP File Server · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2024-23692, Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 9 Jul 2024, 39 days after it was published. It is known to be used in ransomware campaigns. It affects Rejetto HTTP File Server. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What it is

Rejetto HTTP File Server contains an improper neutralization of special elements used in a template engine vulnerability. This allows a remote, unauthenticated attacker to execute commands on the affected system by sending a specially crafted HTTP request.

What to do

1. Check whether you run it. Look for HTTP File Server in your asset inventory, including appliances and cloud images. Stack check lists every exploited Rejetto CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 31 May 2024.
4. Get told next time. Email alerts when CISA adds a CVE for Rejetto.

References

• nvd.nist.gov/vuln/detail/CVE-2024-23692

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in July 2024 · Rejetto scorecard · act-now radar.