CVE•Published 2024-03-12•Modified 2026-07-08•1 article on news•6 live references•NVD data
CVE-2023-42789Fortinet · Fortiproxy
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
87
Exploit Prediction Scoring System · top 13% of all CVEs
Weaknesses (CWE)
Description
A out-of-bounds write vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4.0 through 6.4.14, FortiOS 6.2.0 through 6.2.15, FortiProxy 7.4.0, FortiProxy 7.2.0 through 7.2.6, FortiProxy 7.0.0 through 7.0.12, FortiProxy 2.0.0 through 2.0.13, FortiSASE 23.2.b allows attacker to execute unauthorized code or commands via specially crafted HTTP requests.
Timeline
Published 2024-03-12
Modified 2026-07-08
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-42789Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Fortinet Fortiproxy"All exposed Fortinet Fortiproxy instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Fortiproxy"HTTP body or banner mentions "Fortiproxy" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-42789Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-42789Censys host search filtered to this CVE id.
grep.app
CVE-2023-42789Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-42789GitHub code search for direct mentions.
Google dork
"CVE-2023-42789" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.