RCE in Haxx Curl

CVE-2019-5443

A non-privileged user or program can put code and a config file in a known non-privileged path (under C:/usr/local/) that will make curl <= 7.65.1 automatically run the code (as an openssl "engine") on invocation. If that curl is invoked b…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-5443?
CVE-2019-5443 is a high-severity vulnerability in Haxx Curl, classified under Code Injection. CVSS score: 7.8/10. Published 2019-07-02.
How severe is CVE-2019-5443?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-5443 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.