CVE-2023-34634
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely...
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
- Record
CVE-2023-34634- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
CVE List No score
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
- Record
CVE-2023-34634- Updated
- 2026-11-02
EUVDEUVD-2023-38678 No score
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
- Record
EUVD-2023-38678- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8743-hwvq-mj5j
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely...
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
- Record
GHSA-8743-hwvq-mj5j- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV No score
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
- Record
CVE-2023-34634- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Greenshot .NET Deserialization Fileformat Exploit | 2023-07-26 |
| Exploit-DB | GreenShot 1.2.10 - Insecure Deserialization Arbitrary Code Execution | 2023-07-28 |
| PoC in GitHub | radman404/CVE-2023-34634 | 2023-08-18 |
| PoC in GitHub | LBVDSEC/GreenshotShell-CVE-2023-34634 | 2026-11-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | PoC in GitHub | |
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-34634 is a high vulnerability (CVSS 7.8) in Getgreenshot Greenshot, published August 1, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.55%, the 94th percentile. No source names a fixed version.
References
greenshot.atlassian.net/browse/BUG-3061
github.com/greenshot/greenshot/commit/a152e2883fca7f78051b3bd6b1e5cc57355cb44c
exploit-db.com/exploits/51633
packetstormsecurity.com/files/173825/GreenShot-1.2.10-Arbitrary-Code-Execution.html
nvd.nist.gov/vuln/detail/CVE-2023-34634