What is CVE-2021-36171?

CVE-2021-36171 is a high-severity vulnerability in Fortinet Fortiportal, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 8.1/10. Published 2022-03-01.

How severe is CVE-2021-36171?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Fortinet Fortiportal

CVE-2021-36171

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.

EPSS: 0.012 (63.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortiportal — versions FortiPortal before 6.0.6
Fortinet Fortiportal

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

psirt@fortinet.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-36171?: CVE-2021-36171 is a high-severity vulnerability in Fortinet Fortiportal, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 8.1/10. Published 2022-03-01.
How severe is CVE-2021-36171?: High severity. CVSS v3 base score is 8.1 out of 10.