CVE-2021-36172: fortinet fortinet fortiportal
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.
Timeline
- 02-11-2021PublishedVulnerability first disclosed.
- 25-10-2024Last 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- CVE.orgCNA4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:W/RC:CDiffers
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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