#VU55558 Cross-site scripting in FortiManager and FortiAnalyzer - CVE-2021-32597

Vulnerability identifier: #VU55558

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-32597

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiManager
Server applications / IDS/IPS systems, Firewalls and proxy servers
FortiAnalyzer
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in FortiManager and FortiAnalyzer user interface. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiManager: 6.2.0 - 6.2.7, 6.4.0 - 6.4.5, 7.0.0

FortiAnalyzer: 6.2.0 - 6.2.7, 6.4.0 - 6.4.5, 7.0.0

---

External links
https://www.fortiguard.com/psirt/FG-IR-21-054

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.