CVE-2021-36172
Last modified
CVE-2021-36172 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiportal | >= 4.0.0, <= 4.0.4 |
| Fortinet | Fortiportal | >= 4.1.0, <= 4.1.2 |
| Fortinet | Fortiportal | >= 4.2.0, <= 4.2.4 |
| Fortinet | Fortiportal | >= 5.0.0, <= 5.0.3 |
| Fortinet | Fortiportal | >= 5.1.0, <= 5.1.2 |
| Fortinet | Fortiportal | >= 5.2.0, <= 5.2.6 |
| Fortinet | Fortiportal | >= 5.3.0, < 5.3.7 |
| Fortinet | Fortiportal | >= 6.0.0, < 6.0.6 |
References
- https://fortiguard.com/advisory/FG-IR-21-104Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-104Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-36172?
How severe is CVE-2021-36172?
How do I fix CVE-2021-36172?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-36167An improper authorization vulnerabiltiy [CWE-285] in FortiCl…5.3
- CVE-2021-36168A Improper Limitation of a Pathname to a Restricted Director…6.5
- CVE-2021-36169A Hidden Functionality in Fortinet FortiOS 7.x before 7.0.1,…6
- CVE-2021-3617A vulnerability was reported in Lenovo Smart Camera X3, X5, …7.2
- CVE-2021-36170An information disclosure vulnerability [CWE-200] in FortiAn…3.2
- CVE-2021-36171The use of a cryptographically weak pseudo-random number gen…8.1
- CVE-2021-36173A heap-based buffer overflow in the firmware signature verif…8.8
- CVE-2021-36174A memory allocation with excessive size value vulnerability …7.5
- CVE-2021-36175An improper neutralization of input vulnerability [CWE-79] i…5.4
- CVE-2021-36176Multiple uncontrolled resource consumption vulnerabilities i…6.1
- CVE-2021-36177An improper access control vulnerability [CWE-284] in FortiA…4.3
- CVE-2021-36178A insufficiently protected credentials in Fortinet FortiSDNC…6.5
Are you affected by CVE-2021-36172?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
