Vulnerability in Python Urllib3
CVE-2019-11236
In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.
Vulnerability class: CRLF Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.021 (80.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/urllib3/urllib3/issues/1553 (Exploit, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3990-1/ (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2019/06/msg00016.html (mailing-list)
- usn.ubuntu.com/3990-2/ (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2272 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00041.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:3590 (vendor-advisory)
Frequently asked questions
- What is CVE-2019-11236?
- CVE-2019-11236 is a medium-severity vulnerability in Python Urllib3, classified under CRLF Injection. CVSS score: 6.1/10. Published 2019-04-15.
- How severe is CVE-2019-11236?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-11236 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.