Auth bypass in Undertow-Io Undertow
CVE-2020-1745
A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configuration port of 8009 in Undertow version 2.0.29.Final and before and was fixed in 2.0.30.Final. A remote, unauthenticated attacker could exploit this vulnerability to read web application files from a vulnerable server. In instances where the vulnerable server allows file uploads, an attacker could upload malicious JavaServer Pages (JSP) code within a variety of file types and trigger this vulnerability to gain remote code execution.
EPSS: 0.050 (91.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.
Affected products
- Undertow-io Undertow — versions <= 2.0.29.Final
- Redhat Undertow
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Not Applicable)
- secalert@redhat.com (Not Applicable)
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Not Applicable)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2020-1745?
- CVE-2020-1745 is a high-severity vulnerability in Undertow-Io Undertow, classified under Improper Authorization. CVSS score: 8.6/10. Published 2020-04-28.
- How severe is CVE-2020-1745?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2020-1745 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.