CVE-2022-42472
Reported by fortinet · Published February 16, 2023
A improper neutralization of crlf sequences in http headers ('http response splitting') vulnerability in Fortinet FortiOS 7.2.0 through 7.2.2, FortiOS 7.0.0 through 7.0.8, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy 7.2.0 through 7.2.1, FortiProxy 7.0.0 through 7.0.7, FortiProxy 2.0.0 through 2.0.10, FortiProxy 1.2 all versions, FortiProxy 01.02 all versions, FortiProxy 1.1 all versions, FortiProxy 01.01 all versions may allow an authenticated and remote attacker to perform an HTTP request splitting attack which gives attackers control of the remaining headers and body of the response.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| FortiOS | Fortinet | 7.2.2, 7.0.8, 6.4.12, 6.4.11, 6.2.17, 6.2.12, 6.0.18, 6.0.16 |
| FortiAnalyzer | Fortinet | 7.2.1, 7.0.4, 6.4.8, 6.2.9, 6.0.11 |
| FortiProxy | Fortinet | 01.01.03 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | FortiProxy | 7.2.0, 7.0.0, 2.0.0 |
| Fortinet | FortiOS | 7.2.0, 7.0.0, 6.4.0 |
| Fortinet | FortiOS | 7.2.0, 7.0.0, 6.4.0 |
| Fortinet | FortiProxy | 7.2.0, 7.0.0, 2.0.0 |
Timeline
- Feb 16, 2023 CVE Published
- Feb 17, 2023 EPSS Score (30 in total, the first dated here)
- Jun 2, 2026 Security Advisory
- Jun 15, 2026 Coalition ESS Score
- Oct 22, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2022-42472
vulnetix vdb fixes CVE-2022-42472
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2022-42472/fixes/registry"
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