Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
Loading...
Loading...
Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2023-08-01. NVD baseline CVSS 7.8; sources differ by 2.0.
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
August 1, 2023
October 2, 2025
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Working exploit code is in the public domain (1 Metasploit module) (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Python rewrite of the POC for CVE-2023-34634
Open source ↗GreenShot 1.2.10 - Insecure Deserialization Arbitrary Code Execution
Open source ↗Greenshot .NET Deserialization Fileformat Exploit
Open source ↗Explore the affected products and dependency analysis for CVE-2023-34634
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.