A vulnerability classified as critical has been found in Fortinet FortiOS up to 6.0.14/6.2.10/6.4.8/7.0.3 (Firewall Software). This affects an unknown code of the component CLI Command Handler. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiOS version 6.0.0 through 6.0.14, FortiOS version 6.2.0 through 6.2.10, FortiOS version 6.4.0 through 6.4.8, FortiOS version 7.0.0 through 7.0.3 allows attacker to execute privileged commands on a linked FortiSwitch via diagnostic CLI commands.

The weakness was published 10/10/2022. It is possible to read the advisory at fortiguard.com. This vulnerability is uniquely identified as CVE-2021-44171 since 11/23/2021. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/31/2022). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

• Firewall Software

Vendor

• Fortinet

Name

• FortiOS

License

• commercial

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion