CVE-2020-13943 (GCVE-0-2020-13943)

Vulnerability from cvelistv5 – Published: 2020-10-12 13:46 – Updated: 2024-08-04 12:32
VLAI?
Summary
If an HTTP/2 client connecting to Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37 or 8.5.0 to 8.5.57 exceeded the agreed maximum number of concurrent streams for a connection (in violation of the HTTP/2 protocol), it was possible that a subsequent request made on that connection could contain HTTP headers - including HTTP/2 pseudo headers - from a previous request rather than the intended headers. This could lead to users seeing responses for unexpected resources.
Severity ?
No CVSS data available.
CWE
  • Information Disclosure
Assigner
References
Impacted products
Vendor Product Version
n/a Apache Tomcat Affected: Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37, 8.5.0 to 8.5.57
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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