8.1

CVE-2021-36171: fortinet fortinet fortiportal

CVSS: 8.1v3.1HighModified
Published 01-03-2022Last modified 25-10-2024

Vulnerability summary

CVE-2021-36171 is a high (CVSS 8.1) vulnerability in fortinet fortinet fortiportal. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.5% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
1.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-03-2022
    PublishedVulnerability first disclosed.
  2. 25-10-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.15%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet2 products
  • fortinet fortiportalFortiPortal before 6.0.6
  • fortiportal≤ 4.0.4 | ≥ 4.1.0, ≤ 4.1.2 | ≥ 4.2.0, ≤ 4.2.4 | ≥ 5.0.0, ≤ 5.0.3 | ≥ 5.1.0, ≤ 5.1.2 | ≥ 5.2.0, < 5.2.7 | ≥ 5.3.0, < 5.3.7 | ≥ 6.0.0, < 6.0.6

1 vendor · 2 products

References

1 links