What is CVE-2025-1211?

CVE-2025-1211 is a medium-severity vulnerability in Hackney, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2025-02-11.

How severe is CVE-2025-1211?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2025-1211 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SSRF in Hackney

CVE-2025-1211

Versions of the package hackney before 1.21.0 are vulnerable to Server-side Request Forgery (SSRF) due to improper parsing of URLs by URI built-in module and hackey. Given the URL http://127.0.0.1?@127.2.2.2/, the URI function will parse a…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.005 (37.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L.

Affected products

N/a Hackney — versions 0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2025-1211?: CVE-2025-1211 is a medium-severity vulnerability in Hackney, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2025-02-11.
How severe is CVE-2025-1211?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-1211 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.