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CVE-2020-13943
Good to know:
Date: October 12, 2020
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.
Language: Java
Severity Score
Related Resources (14)
Severity Score
Weakness Type (CWE)
Information Leak / Disclosure
CWE-200Insufficient Information
NVD-CWE-noinfoTop Fix
Upgrade Version
Upgrade to version org.apache.tomcat:tomcat-coyote:8.5.58,9.0.38,10.0.0-M8;org.apache.tomcat.embed:tomcat-embed-core:8.5.58,9.0.38,10.0.0-M8
CVSS v3.1
Base Score: |
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Attack Vector (AV): | NETWORK |
Attack Complexity (AC): | LOW |
Privileges Required (PR): | LOW |
User Interaction (UI): | NONE |
Scope (S): | UNCHANGED |
Confidentiality (C): | LOW |
Integrity (I): | NONE |
Availability (A): | NONE |
CVSS v2
Base Score: |
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---|---|
Access Vector (AV): | NETWORK |
Access Complexity (AC): | LOW |
Authentication (AU): | SINGLE |
Confidentiality (C): | PARTIAL |
Integrity (I): | NONE |
Availability (A): | NONE |
Additional information: |