THREATPORT/VULNERABILITY/CVE-2020-1745
HIGH SEVERITY

CVE-2020-1745

Undertow vulnerability

CVSS
8.6
EPSS
4.8%
EPSS pct
91th
Exploited
No known
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.
Affected vendor
Redhat
Affected product
Undertow
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Weakness type (CWE)
Published
2020-04-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 4.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2020-1745

  • Confirm whether Redhat Undertow is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-1745.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-1745

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-1745 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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