CVE-2022-42471
An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting')...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2022-42471- CVSS 3.1
- 5.3 Medium
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 - Weakness
- CWE-113
- Updated
- 2026-11-02
EUVDEUVD-2022-45541
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.
- Record
EUVD-2022-45541- CVSS 3.1
- 5.3 Medium
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 - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g39q-wwrq-p5cv
An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting')...
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.
- Record
GHSA-g39q-wwrq-p5cv- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2022-42471- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-113, CWE-74
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-42471 is a medium vulnerability (CVSS 5.3) in Fortinet Fortiweb, published January 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. No source names a fixed version.