Server-Side Request Forgery (SSRF) in Accellion FTA - CVE-2021-27103
Published: February 18, 2021 / Updated: February 20, 2022
Vulnerability identifier: #VU50788
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2021-27103
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input in "wmProgressstat.html". A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
Accellion FTA
How to mitigate CVE-2021-27103
Install updates from vendor's website.
Accellion FTA - update to 9_12_416