Home/CVE/An improper neutralization of input during web page generation vulnerability (CWE-79) in FortiPortal GUI 6.0.4 and below
CVE

CVE-2021-32602

An improper neutralization of input during web page generation vulnerability (CWE-79) in FortiPortal GUI 6.0.4 and below

An improper neutralization of input during web page generation vulnerability (CWE-79) in FortiPortal GUI 6.0.4 and below, 5.3.6 and below, 5.2.6 and below, 5.1.2 and below, 5.0.3 and below, 4.2.2 and below, 4.1.2 and below, 4.0.4 and below may allow a remote and unauthenticated attacker to perform an XSS attack via sending a crafted request with an invalid lang parameter or with an invalid org.springframework.web.servlet.i18n.CookieLocaleResolver.LOCALE value.

MEDIUM · CVSS 5.8 EPSS 0.00443
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
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Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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Affected Products & Versions

8
fortinet fortiportal>= 4.0.0 and <= 4.0.4
fortinet fortiportal>= 4.1.0 and <= 4.1.2
fortinet fortiportal>= 4.2.0 and <= 4.2.2
fortinet fortiportal>= 5.0.0 and <= 5.0.3
fortinet fortiportal>= 5.1.0 and <= 5.1.2
fortinet fortiportal>= 5.2.0 and <= 5.2.6
fortinet fortiportal>= 5.3.0 and <= 5.3.6
fortinet fortiportal>= 6.0.0 and <= 6.0.4
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Scoring & Timeline

5.8
MEDIUM · CVSS v3.1 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Aug 2021 · 12:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.com/advisory/FG-IR-20-066Vendor Advisory
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