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VulniPulse
Medium4.9Fortinet

CVE-2020-12811: Fortinet HTML injection in WebUI

This Fortinet advisory covers CVE-2020-12811 in FortiManager and FortiAnalyzer.

Open the Fortinet advisory

Key facts

Vendor rating
Medium, CVSS 4.9
CISA KEV
Not listed (catalogue checked )
Affected
FortiManager version 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5 and 6.2.6; FortiAnalyzer version 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5 and 6.2.6
Fixed in
FortiManager: 6.4.0, FortiAnalyzer: 6.4.0
Advisory id
FG-IR-20-005
Source published
Source revised
Listed by VulniPulse

Compiled by VulniPulse from the linked sources. How records are collected and checked.

Affected products & platforms

FortinetFortiManagerFortiAnalyzer

Description

CVSSv3 Score:

4.9

An improper neutralization of script-related HTML tags in a web page in FortiManager and FortiAnalyzer may allow an attacker to perform a cross site scripting (XSS) attack via the Identify Provider name field.

Revised on 2026-10-13 00:00:00

Text from the source record.

Affected versions
  • FortiManager version 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5 and 6.2.6
  • FortiAnalyzer version 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5 and 6.2.6

Official advisory · high-confidence parse· fetched ·verify at source

How to fix CVE-2020-12811

Upgrade to a fixed release named by Fortinet:

  • FortiManager: 6.4.0
  • FortiAnalyzer: 6.4.0

Vendor guidance

  • Upgrade per the vendor advisory: FortiManager: 6.4.0; FortiAnalyzer: 6.4.0.

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