8.1

CVE-2021-36172: fortinet fortinet fortiportal

CVSS: 8.1v3.1HighModified
Published 02-11-2021Last modified 25-10-2024

Vulnerability summary

CVE-2021-36172 is a high (CVSS 8.1) vulnerability in fortinet fortinet fortiportal. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.7% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
0.83%
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. 02-11-2021
    PublishedVulnerability first disclosed.
  2. 25-10-2024
    Last modifiedVulnerability information updated.

Description

An improper restriction of XML external entity reference vulnerability in the parser of XML responses of FortiPortal before 6.0.6 may allow an attacker who controls the producer of XML reports consumed by FortiPortal to trigger a denial of service or read arbitrary files from the underlying file system by means of specifically crafted XML documents.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.83%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.83% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.83%

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≥ 4.0.0, ≤ 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, ≤ 5.2.6 | ≥ 5.3.0, < 5.3.7 | ≥ 6.0.0, < 6.0.6

1 vendor · 2 products

References

1 links