Vulnerability in Getgreenshot Greenshot
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.076 (94.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.076 · newest: 0.076 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- greenshot.atlassian.net/browse/BUG-3061 (Third Party Advisory, Issue Tracking)
- github.com/greenshot/greenshot/commit/a152e2883fca7f78051b3bd6b1e5cc57355cb44c (Patch, Third Party Advisory)
- www.exploit-db.com/exploits/51633 (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/173825/GreenShot-1.2.10-Arbitrary-Code-Execution… (Permissions Required, Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/174222/Greenshot-1.3.274-Deserialization-Command-… (Permissions Required)
Frequently asked questions
- What is CVE-2023-34634?
- CVE-2023-34634 is a high-severity vulnerability in Getgreenshot Greenshot. CVSS score: 7.8/10. Published 2023-08-01.
- How severe is CVE-2023-34634?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-34634 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.