CVE-2021-22923 Information disclosure in https://github.com/curl/curl

What is CVE-2021-22923?

CVE-2021-22923 is a medium-severity vulnerability in Fedoraproject Fedora, published on 5 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often contrary to the user's expectations and intentions and without telling the user it happened.

Weakness: CWE-522, CWE-319

Which versions are affected by CVE-2021-22923?

It affects 16 products.

Products include Fedoraproject Fedora, Haxx Curl, Netapp Cloud Backup, Netapp Clustered Data Ontap, Netapp H300e Firmware, Netapp H300s Firmware and 10 more.

How do I fix CVE-2021-22923?

Upgrade to a fixed version.

Is CVE-2021-22923 being exploited?

There is no known exploitation of CVE-2021-22923 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2021-22923, AZL-6362, CLEANSTART-2026-SB23247, CURL-CVE-2021-22923, DEBIAN-CVE-2021-22923, GHSA-89qw-6g6w-269q and 1 more.