CVE-2021-43072 Memory corruption in FortiAnalyzer
Attackers can execute unauthorized code via crafted CLI commands using tFTP, affecting Fortinet network security products.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43072?
CVE-2021-43072 is a medium-severity memory corruption vulnerability in Fortinet Fortianalyzer, published on 18 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-120
Which versions are affected by CVE-2021-43072?
It affects 4 products.
Products include Fortinet Fortianalyzer, Fortinet Fortimanager, Fortinet Fortios, Fortinet Fortiproxy.
How do I fix CVE-2021-43072?
No fix has been published for CVE-2021-43072 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-43072 being exploited?
There is no known exploitation of CVE-2021-43072 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortianalyzer
- CVE-2026-24858 Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel
- CVE-2023-25610 Memory corruption in FortiAnalyzer
- CVE-2021-32603 Server-side request forgery in Fortinet FortiAnalyzer, FortiManager
- CVE-2020-12817 Cross-site scripting in Fortinet FortiAnalyzer
- CVE-2024-48886 Auth bypass in FortiOS
Sources
Also known as GHSA-69j8-frw9-cp4h.