# CVE-2023-34634: CVE-2023-34634 - Exploited (CISA KEV): no - Published: 2023-08-01 - CVSS: not scored - EPSS: 7.6% (95th percentile) Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened. ## Edge WAF coverage (claimed by vendors, not measured) | Vendor | Status | First rule | Days after publication | |---|---|---|---| | Cloudflare | Before feed history | — | — | | AWS | No public claim | — | — | | Microsoft Azure | No public claim | — | — | | Google Cloud | Before feed history | — | — | | Fastly | Before feed history | — | — | | F5 | No public claim | — | — | | Akamai | No public source | — | — | | OWASP CRS | No public claim | — | — | ## Social 1 posts seen since 2026-11-02. - Exploit repository (unvetted): https://github.com/LBVDSEC/GreenshotShell-CVE-2023-34634 "No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it. HTML: https://cve.vigilbase.com/cve/CVE-2023-34634 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2023-34634