CVE-2023-34634Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
- 7.8HighCVSS base score
- 7.6%Exploitation in 30 daysEPSS · top 5.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and an Exploit-DB entry for it.
Show the exploits2
Metasploit modules1 module
- Greenshot .NET Deserialization Fileformat Exploit (Metasploit module) (opens in a new tab)
exploit/windows/fileformat/greenshot_deserialize_cve_2023_34634Rank excellentdisclosed 26 Jul 2023
Exploit-DB1 entry
- GreenShot 1.2.10 - Insecure Deserialization Arbitrary Code Execution (Exploit-DB entry) (opens in a new tab)
EDB-ID 51633local, windowspublished 28 Jul 2023Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 55 days later
· 55 days later
Published
- 15 months later
· 15 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 7.6% · top 5.4% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
References5
- https://greenshot.atlassian.net/browse/BUG-3061 (opens in a new tab)x_transferred
- https://github.com/greenshot/greenshot/commit/a152e2883fca7f78051b3bd6b1e5cc57355cb44c (opens in a new tab)x_transferred
- https://www.exploit-db.com/exploits/51633 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/173825/GreenShot-1.2.10-Arbitrary-Code-Execution.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/174222/Greenshot-1.3.274-Deserialization-Command-Execution.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-38678 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-34634)Record last updated .