What is the severity of CVE-2021-26115?

CVE-2021-26115 has been classified as a high severity vulnerability due to its potential for privilege escalation.

How do I fix CVE-2021-26115?

To fix CVE-2021-26115, upgrade FortiWAN to version 4.5.8 or later, which addresses this vulnerability.

Who is affected by CVE-2021-26115?

CVE-2021-26115 affects FortiWAN versions 4.5.7 and below, specifically targeting local authenticated users.

What type of vulnerability is CVE-2021-26115?

CVE-2021-26115 is an OS command injection vulnerability, specifically classified under CWE-78.

Can CVE-2021-26115 be exploited remotely?

CVE-2021-26115 requires local access and authenticated privileges for exploitation, thus cannot be exploited remotely.

Vulnerability/
CVE-2021-26115

high

7.8

CWE

78 77

19/12/2024

21/1/2025

CVE-2021-26115: OS Command Injection

First published: Thu Dec 19 2024(Updated: )

An OS command injection (CWE-78) vulnerability in FortiWAN version 4.5.7 and below Command Line Interface may allow a local, authenticated and unprivileged attacker to escalate their privileges to root via executing a specially-crafted command.An OS command injection (CWE-78) vulnerability in FortiWAN Command Line Interface may allow a local, authenticated and unprivileged attacker to escalate their privileges to root via executing a specially-crafted command.

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet FortiWAN	<4.5.7
Fortinet FortiWAN	<4.5.8

Remedy

Please upgrade to FortiWAN version 4.5.8 or above.

Never miss a vulnerability like this again

Reference Links

https://fortiguard.fortinet.com/psirt/FG-IR-21-069

Frequently Asked Questions

What is the severity of CVE-2021-26115?
CVE-2021-26115 has been classified as a high severity vulnerability due to its potential for privilege escalation.
How do I fix CVE-2021-26115?
To fix CVE-2021-26115, upgrade FortiWAN to version 4.5.8 or later, which addresses this vulnerability.
Who is affected by CVE-2021-26115?
CVE-2021-26115 affects FortiWAN versions 4.5.7 and below, specifically targeting local authenticated users.
What type of vulnerability is CVE-2021-26115?
CVE-2021-26115 is an OS command injection vulnerability, specifically classified under CWE-78.
Can CVE-2021-26115 be exploited remotely?
CVE-2021-26115 requires local access and authenticated privileges for exploitation, thus cannot be exploited remotely.

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