Auth bypass in Kramdown_project Kramdown
CVE-2020-14001
The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access (such as template="/etc/passwd") or unintended embedded Ruby code execution (such as a string th…
Vulnerability class: Broken Access Control
EPSS: 0.046 (90.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kramdown_project Kramdown
- Canonical Ubuntu_linux — versions 20.04
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 31, 32
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2020-14001?
- CVE-2020-14001 is a critical-severity vulnerability in Kramdown_project Kramdown, classified under Missing Authorization. CVSS score: 9.8/10. Published 2020-07-17.
- How severe is CVE-2020-14001?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-14001 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.