CVE-2021-36171 Weak cryptography in Fortinet FortiPortal

What is CVE-2021-36171?

CVE-2021-36171 is a high-severity vulnerability in Fortinet FortiPortal, published on 1 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The use of a cryptographically weak pseudo-random number generator in the password reset feature of FortiPortal before 6.0.6 may allow a remote unauthenticated attacker to predict parts of or the whole newly generated password within a given time frame.

Weakness: CWE-338

Which versions are affected by CVE-2021-36171?

It affects 1 product.

Products include Fortinet Fortiportal.

How do I fix CVE-2021-36171?

No fix has been published for CVE-2021-36171 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-36171 being exploited?

There is no known exploitation of CVE-2021-36171 in the wild and no public exploit code.

Other vulnerabilities in Fortinet FortiPortal

• CVE-2021-32590 SQL injection in Fortinet FortiPortal Critical 9.9
• CVE-2021-32588 Hardcoded credentials in Fortinet FortiPortal Critical 9.8
• CVE-2017-7342 Security feature bypass in Fortinet FortiPortal Critical 9.8
• CVE-2017-7337 Missing authorization in Fortinet FortiPortal Critical 9.1
• CVE-2025-24470 Path traversal in FortiPortal High 8.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-p7rc-qmr8-gxr8.