CVE-2021-43072
A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiAnalyzer version 7.0.2 and below, version 6.4.7 and below, version 6.2.9 and below, version 6.0.11 and below, version 5.6.11 and below, FortiManager version 7.0.2 and below, version 6.4.7 and below, version 6.2.9 and below, version 6.0.11 and below, version 5.6.11 and below, FortiOS version 7.0.0 through 7.0.4, 6.4.0 through 6.4.8, 6.2.0 through 6.2.10, 6.0.x and FortiProxy version 7.0.0 through 7.0.3, 2.0.0 through 2.0.8, 1.2.x, 1.1.x and 1.0.x allows attacker to execute unauthorized code or commands via crafted CLI `execute restore image` and `execute certificate remote` operations with the tFTP protocol.
Key facts
- CVSS score
- 6.7 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-120
- EPSS score
- 0.2% (7th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2021-30025)
- Published
- July 18, 2023
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2021-30025 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.
View on the EU Vulnerability DatabaseAffected products
- fortinet / fortianalyzer
- fortinet / fortimanager
- fortinet / fortios
- fortinet / fortiproxy
Certified products that may be affected
3 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- FortiGate/FortiOS Version 6.2.7 - Fortinet, Inc. - Common Criteria 559-LSS - archived
- FortiProxy-400E/2000E/4000E - Fortinet, Inc. - FIPS 140 3628 - historical
- Fortinet FortiProxy v1.0 - Fortinet, Inc. - Common Criteria 383-4-475 - archived
References
- https://fortiguard.com/advisory/FG-IR-21-206(Not Applicable)
- https://www.fortiguard.com/psirt/FG-IR-21-206(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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