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CVE-2022-42471

MEDIUM
5.4
CVSS Score
Published: January 3, 2023 at 04:58 PM UTC
Updated: June 17, 2026 at 05:04 AM UTC
1 product affected across 1 vendorFortiWeb

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker to inject arbitrary headers.

Affected

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

FortiWeb· Fortinet
95%
6.3.6 ≤ v ≤ 6.3.216.4.0 ≤ v ≤ 6.4.27.0.0 ≤ v ≤ 7.0.26.3.66.4.06.4.16.4.27.0.07.0.17.0.2

Remediation

No guide yet

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

Patch and advisory references

References (1)

PatchVendor Advisory
Source: [email protected]
https://fortiguard.com/psirt/FG-IR-22-250

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
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-113CWE-74

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