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
Published Jan 3, 2023
5.4
MEDIUMCVSS 3.1
EPSS 0.46%
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 products
-
- Version 6.3.6StatusaffectedConstraints<=6.3.21
- Version 6.4.0StatusaffectedConstraints<=6.4.2
- Version 7.0.0StatusaffectedConstraints<=7.0.2
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Please upgrade to FortiWeb version 7.2.0 or above Please upgrade to FortiWeb version 7.0.3 or above
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:F/RL:U/RC:C
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Oct 22, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2023–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.46% (0.00463) | 37.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.46% (0.00463) | 36.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.21% (0.00205) | 40.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00125) | 48.69th | v3 (v2023.03.01) |
| Jun 15, 2024 | 0.11% (0.00115) | 45.39th | v3 (v2023.03.01) |
| Jan 10, 2024 | 0.10% (0.00104) | 42.27th | v3 (v2023.03.01) |
| Dec 4, 2023 | 0.07% (0.00072) | 29.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00066) | 27.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Jan 4, 2023 | 1.05% (0.01055) | 51.18th | v2 (v2022.01.01) |
References (1)
- https://fortiguard.com/psirt/FG-IR-22-250 PatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://fortiguard.com/psirt/FG-IR-22-250 | PatchVendor Advisory |
Change history (0)
No recorded changes yet.