CVE-2021-22923

Public Exploit

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org
Affected: n/a https://github.com/curl/curl
Published at:
Updated at:

References

Link Tags
https://hackerone.com/reports/1213181 issue tracking exploit third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRUCW2UVNYUDZF72DQLFQR4PJEC6CF7V/ mailing list third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpuoct2021.html third party advisory patch
https://security.netapp.com/advisory/ntap-20210902-0003/ third party advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf third party advisory patch
https://security.gentoo.org/glsa/202212-01 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-22923?
CVE-2021-22923 has been scored as a medium severity vulnerability.
How to fix CVE-2021-22923?
To fix CVE-2021-22923, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22923 being actively exploited in the wild?
It is possible that CVE-2021-22923 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22923?
CVE-2021-22923 affects n/a https://github.com/curl/curl.
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