Privilege escalation in FortiOS and FortiProxy
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-26110 |
| CWE-ID | CWE-284 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
FortiOS Operating systems & Components / Operating system FortiProxy Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper access control
EUVDB-ID: #VU58630
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-26110
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper access restrictions in the autod daemon. A local user can bypass implemented security restrictions and escalate privileges on the systems to uper_admin via a specific crafted configuration of fabric automation CLI script and auto-script features.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFortiOS: 5.6.0 - 7.0.0
FortiProxy: 1.2.0 - 2.0.1
CPE2.3- cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:6.2.9:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:6.0.12:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.6.14:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:1.2.9:*:*:*:*:*:*:*
http://www.fortiguard.com/psirt/FG-IR-20-131
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
