A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.
CVSS Details
- CVSS 3.1 Base Score: 3.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libcurl-minimalUpgrade libcurl-develUpgrade curlUpgrade libcurl | May 4, 2022 | Dec 14, 2020 |
| Alpine Linux | — | Upgrade curl | Jan 5, 2021 | Dec 14, 2020 |
| Amazon Linux Ami 2 | — | Upgrade curl-debuginfoUpgrade curlUpgrade libcurlUpgrade libcurl-devel | Aug 6, 2021 | Dec 14, 2020 |
| Apple Osx Curl | — | Apply Apple macOS Security Update 2021-002 CatalinaApply Apple macOS Security Update 2021-003 MojaveUpgrade macOS to the latest version | Aug 23, 2021 | Dec 14, 2020 |
| Centos_linux | — | Upgrade libcurl-debuginfoUpgrade curl-minimal-debuginfoUpgrade curl-debuginfoUpgrade libcurlUpgrade curl-debugsourceUpgrade libcurl-minimalUpgrade libcurl-minimal-debuginfoUpgrade libcurl-develUpgrade curl | Jun 1, 2021 | Dec 14, 2020 |
| Debian | — | Upgrade curl | Dec 21, 2020 | Dec 14, 2020 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Feb 19, 2021 |
| Freebsd | — | Upgrade curl | Dec 10, 2020 | Dec 9, 2020 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Dec 29, 2020 | Dec 14, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade curlUpgrade libcurlUpgrade libcurl-devel | May 25, 2022 | Dec 14, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libcurl-develUpgrade curlUpgrade libcurl | Mar 2, 2022 | Dec 14, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade curlUpgrade libcurlUpgrade libcurl-devel | May 18, 2021 | Dec 14, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade curlUpgrade libcurl | Jun 2, 2021 | Dec 14, 2020 |
| Oracle Solaris | — | Upgrade web/curl to version 7.74.0-11.4.33.0.1.94.0 on Solaris 11.4 | May 19, 2021 | Dec 14, 2020 |
| Oracle_linux | — | Upgrade libcurl-minimalUpgrade curlUpgrade libcurlUpgrade libcurl-devel | May 26, 2021 | Dec 9, 2020 |
| Redhat_linux | — | Upgrade libcurl-minimalUpgrade libcurl-minimal-debuginfoUpgrade curl-minimal-debuginfoNo solution existsUpgrade curl-debugsourceUpgrade libcurl-debuginfoUpgrade libcurl-develUpgrade libcurlUpgrade curlUpgrade curl-debuginfo | May 21, 2021 | Dec 14, 2020 |
| Rocky_linux | — | Upgrade libcurl-minimal-debuginfoUpgrade libcurl-minimalUpgrade curlUpgrade libcurl-debuginfoUpgrade curl-debugsourceUpgrade libcurlUpgrade libcurl-develUpgrade curl-debuginfo | Mar 12, 2024 | Dec 14, 2020 |
| Splunk | — | Upgrade Splunk Enterprise to version 9.0.6Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Enterprise to version 9.1.1Upgrade Splunk Universal Forwarder to version 9.1.1Upgrade Splunk Enterprise to version 8.2.12Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Universal Forwarder to version 8.2.12Upgrade Splunk Universal Forwarder to version 9.0.6Upgrade Splunk Universal Forwarder to version 8.2.11 | Sep 30, 2025 | Dec 14, 2020 |
| Suse | — | Upgrade libcurl4-openssl1Upgrade libcurl-devel-32bitUpgrade libcurl4-miniUpgrade libcurl4-32bitUpgrade libcurl4Upgrade curl-openssl1Upgrade libcurl-mini-develUpgrade curl-miniUpgrade libcurl4-openssl1-x86Upgrade libcurl4-openssl1-32bitUpgrade curlUpgrade libcurl-devel | Dec 12, 2020 | Dec 9, 2020 |
| Ubuntu | — | Upgrade curlUpgrade libcurl3-nssUpgrade curl (Ubuntu Pro)Upgrade libcurl3 (Ubuntu Pro)Upgrade libcurl3-nss (Ubuntu Pro)Upgrade libcurl4Upgrade libcurl3-gnutlsUpgrade libcurl3Upgrade libcurl3-gnutls (Ubuntu Pro) | Dec 10, 2020 | Dec 9, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 14, 2020 |
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