CVE-2023-34634

Name: CVE-2023-34634
Creator: NVD / NIST
Published: 2023-08-01T14:15:10.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 7.69%

Last modified Jun 17, 2026

CVE-2023-34634 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.. EPSS estimates a 7.69% chance of exploitation in the next 30 days.

Description

Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

7.69%

93.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Getgreenshot	Greenshot	<= 1.2.10.6

References

http://packetstormsecurity.com/files/173825/GreenShot-1.2.10-Arbitrary-Code-Execution.htmlExploit, Permissions Required, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/174222/Greenshot-1.3.274-Deserialization-Command-Execution.htmlPermissions Required
https://github.com/greenshot/greenshot/commit/a152e2883fca7f78051b3bd6b1e5cc57355cb44cPatch, Third Party Advisory
https://greenshot.atlassian.net/browse/BUG-3061Issue Tracking, Third Party Advisory
https://www.exploit-db.com/exploits/51633Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/173825/GreenShot-1.2.10-Arbitrary-Code-Execution.htmlExploit, Permissions Required, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/174222/Greenshot-1.3.274-Deserialization-Command-Execution.htmlPermissions Required
https://github.com/greenshot/greenshot/commit/a152e2883fca7f78051b3bd6b1e5cc57355cb44cPatch, Third Party Advisory
https://greenshot.atlassian.net/browse/BUG-3061Issue Tracking, Third Party Advisory
https://www.exploit-db.com/exploits/51633Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Aug 1, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-34634?

Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.

How severe is CVE-2023-34634?

CVE-2023-34634 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 7.69% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34634?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34634?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST