CVE-2021-26096
MEDIUM · CVSS 6.4EPSS 0.8%EU EUVD
Multiple instances of heap-based buffer overflow in the command shell of FortiSandbox before 4.0.0 may allow an authenticated attacker to manipulate memory and alter its content by means of specifically crafted command line arguments.
Key facts
- CVSS score
- 6.4 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L- Weakness (CWE)
- CWE-787
- EPSS score
- 0.8% (55th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2021-12917)
- Published
- August 4, 2021
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2021-12917 in the EU Vulnerability Database. Last updated in EUVD on October 25, 2024.
View on the EU Vulnerability DatabaseAffected products
- fortinet / fortisandbox
Certified products that may be affected
1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.
- FortiSandbox-1000F/2000E/3000E - Fortinet, Inc. - FIPS 140 4113 - historical
References
- https://fortiguard.com/advisory/FG-IR-20-188(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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