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CVE-2022-22720
HTTP request smuggling vulnerability in Apache HTTP Server 2.4.52 and earlier
Critical9.8EPSS 28.2%
- Published
- Updated
- Reserved
- Assigned by
- apache
Description
Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 28.2% · top 1.9% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
Apache Software Foundation · Apache HTTP Server
- affected Apache HTTP Server 2.4 – ≤ 2.4.52
References (16)
- https://httpd.apache.org/security/vulnerabilities_24.html (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20220314 CVE-2022-22720: HTTP request smuggling vulnerability in Apache HTTP Server 2.4.52 and earlier (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2022-b4103753e9 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [debian-lts-announce] 20220322 [SECURITY] [DLA 2960-1] apache2 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2022-21264ec6db (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2022-78e3211c55 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://www.oracle.com/security-alerts/cpuapr2022.html (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20220321-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20220516 APPLE-SA-2022-05-16-4 Security Update 2022-004 Catalina (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 20220516 APPLE-SA-2022-05-16-3 macOS Big Sur 11.6.6 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 20220516 APPLE-SA-2022-05-16-2 macOS Monterey 12.4 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- https://www.oracle.com/security-alerts/cpujul2022.html (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT213257 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/kb/HT213256 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/kb/HT213255 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-202208-20 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-22720)Record last updated .