Information Exposure Affecting org.apache.tomcat.embed:tomcat-embed-core package, versions [8.5.0, 8.5.60)[9.0.0, 9.0.40)[10.0.0-M1, 10.0.0-M10)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.33% (72nd percentile)

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  • Snyk IDSNYK-JAVA-ORGAPACHETOMCATEMBED-1048292
  • published4 Dec 2020
  • disclosed4 Dec 2020
  • creditUnknown

Introduced: 4 Dec 2020

CVE-2020-17527  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.60, 9.0.40, 10.0.0-M10 or higher.

Overview

org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Information Exposure. An HTTP request header value could be reused from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests.

CVSS Scores

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