What is CVE-2023-43804?

CVE-2023-43804 is a medium-severity vulnerability in Urllib3, classified under Information Disclosure. CVSS score: 5.9/10. Published 2023-10-04.

How severe is CVE-2023-43804?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2023-43804 known to be exploited?

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

Information disclosure in Urllib3

CVE-2023-43804

urllib3 is a user-friendly HTTP client library for Python. urllib3 doesn't treat the `Cookie` HTTP header special or provide any helpers for managing cookies over HTTP, that is the responsibility of the user. However, it is possible for a…

Vulnerability class: Information Disclosure

EPSS: 0.009 (76.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Urllib3 — versions >= 2.0.0, < 2.0.6, < 1.26.17

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-43804?: CVE-2023-43804 is a medium-severity vulnerability in Urllib3, classified under Information Disclosure. CVSS score: 5.9/10. Published 2023-10-04.
How severe is CVE-2023-43804?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2023-43804 known to be exploited?: 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.