Vulnerability in Haxx Curl

CVE-2021-22926

libcurl-using applications can ask for a specific client certificate to be used in a transfer. This is done with the `CURLOPT_SSLCERT` option (`--cert` with the command line tool).When libcurl is built to use the macOS native TLS library S…

EPSS: 0.007 (71.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-22926?
CVE-2021-22926 is a high-severity vulnerability in Haxx Curl, classified under CWE-840. CVSS score: 7.5/10. Published 2021-08-05.
How severe is CVE-2021-22926?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-22926 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.