CVE-2021-24021

MEDIUM

5.4

CVSS Score

Published: October 6, 2021 at 09:45 AM UTC

Updated: June 17, 2026 at 03:39 AM UTC

1 product affected across 1 vendorFortiAnalyzer

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Severity

MEDIUM5.4

Exploit prediction

EPSS 0.7%

SSVC

No known exploit

Description

An improper neutralization of input vulnerability [CWE-79] in FortiAnalyzer versions 6.4.3 and below, 6.2.7 and below and 6.0.10 and below may allow a remote authenticated attacker to perform a stored cross site scripting attack (XSS) via the column settings of Logview in FortiAnalyzer, should the attacker be able to obtain that POST request, via other, hypothetical attacks.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FortiAnalyzer · Fortinet

95%

6.0.0 ≤ v < 6.2.86.4.0 ≤ v < 6.4.46.0.0 6.0.1 6.0.10 6.0.2 6.0.3 6.0.4 6.0.5 6.0.6 6.0.7 6.0.8 6.0.9 6.2.0 6.2.1 6.2.2 6.2.3 6.2.4 6.2.5 6.2.6 6.2.7 6.4.0 6.4.1 6.4.2 6.4.3

Affected range stops below 6.2.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.4.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://fortiguard.com/advisory/FG-IR-20-098

References (1)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://fortiguard.com/advisory/FG-IR-20-098

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79

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