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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.050 (92.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.050 · newest: 0.050 · change: 0.000
Affected products
- Undertow-Io Undertow — versions <= 2.0.29.Final
- Red Hat Undertow
Weakness classification (CWE)
Public proof-of-concept exploits
References
- meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution… (Not Applicable)
- www.tenable.com/blog/cve-2020-1938-ghostcat-apache-tomcat-ajp-file-readinclusio… (Not Applicable)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.cnvd.org.cn/webinfo/show/5415 (Not Applicable)
- security.netapp.com/advisory/ntap-20240216-0011/
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.