SSRF in Haxx Curl

CVE-2022-27780

The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like `http://example.c…

EPSS: 0.022 (80.4th 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:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-27780?
CVE-2022-27780 is a high-severity vulnerability in Haxx Curl, classified under CWE-177. CVSS score: 7.5/10. Published 2022-06-02.
How severe is CVE-2022-27780?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-27780 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.