CVE-2021-26102: Path Traversal
A relative path traversal vulnerability (CWE-23) in FortiWAN version 4.5.7 and below, 4.4 all versions may allow a remote non-authenticated attacker to delete files on the system by sending a crafted POST request. In particular, deleting specific configuration files will reset the Admin password to its default value.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
AscenLinkto a version that resolves this vulnerability.Fixed in 7.2.24 - Upgrade
Upgrade
FortiWANto a version that resolves this vulnerability.Fixed in 4.5.8
Event History
Frequently Asked Questions
What is the severity of CVE-2021-26102?
CVE-2021-26102 is considered a high severity vulnerability due to its potential impact on system integrity.
How do I fix CVE-2021-26102?
To fix CVE-2021-26102, upgrade FortiWAN to version 4.5.8 or later.
Who is affected by CVE-2021-26102?
CVE-2021-26102 affects FortiWAN versions 4.5.7 and below, as well as all versions of 4.4.
What type of vulnerability is CVE-2021-26102?
CVE-2021-26102 is a relative path traversal vulnerability (CWE-23).
What can an attacker do with CVE-2021-26102?
An attacker exploiting CVE-2021-26102 can delete system files, including specific configuration files that may reset the Admin password.