Vulnerability Details : CVE-2021-36172
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.
Vulnerability category: XML external entity (XXE) injectionDenial of service
Products affected by CVE-2021-36172
- cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-36172
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-36172
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
8.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
2.8
|
5.2
|
NIST | |
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
Fortinet, Inc. |
CWE ids for CVE-2021-36172
-
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-36172
-
https://fortiguard.com/advisory/FG-IR-21-104
PSIRT Advisories | FortiGuardVendor Advisory
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