Information disclosure in Python 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: 0.012 (65.0th 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
- Python Urllib3
- Urllib3 — versions >= 2.0.0, < 2.0.6, < 1.26.17
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 37, 38, 39
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Mailing List, Third Party Advisory)
- security-advisories@github.com (Mailing List, Third Party Advisory)
- security-advisories@github.com (Mailing List, Third Party Advisory)
- security-advisories@github.com (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-43804?
- CVE-2023-43804 is a medium-severity vulnerability in Python 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.