Buffer overflow in Fortinet Fortianalyzer
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (6.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Fortinet Fortianalyzer — versions 7.0.0, 6.4.0, 6.2.0
- Fortinet Fortimanager — versions 7.0.0, 6.4.0, 6.2.0
- Fortinet Fortios
- Fortinet Fortiproxy
Weakness classification (CWE)
References
- fortiguard.com/advisory/FG-IR-21-206 (Not Applicable)
- www.fortiguard.com/psirt/FG-IR-21-206 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-43072?
- CVE-2021-43072 is a medium-severity vulnerability in Fortinet Fortianalyzer, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-07-18.
- How severe is CVE-2021-43072?
- Medium severity. CVSS v3 base score is 6.7 out of 10.