CVE-2021-26115

Description

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.

Remediation

Solution:

  • Please upgrade to FortiWAN version 4.5.8 or above.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.22%
Vendor Advisory fortinet.com
Affected: Fortinet FortiWAN
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-26115?
CVE-2021-26115 has been scored as a high severity vulnerability.
How to fix CVE-2021-26115?
To fix CVE-2021-26115: Please upgrade to FortiWAN version 4.5.8 or above.
Is CVE-2021-26115 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-26115 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-26115?
CVE-2021-26115 affects Fortinet FortiWAN.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.