CVE-2020-1935 vulnerability in Apache and Other Products
Published on February 24, 2020
In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.
Products Associated with CVE-2020-1935
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Affected Versions
Apache Tomcat:- Version Apache Tomcat 9.0.0.M1 to 9.0.30 is affected.
- Version 8.5.0 to 8.5.50 is affected.
- Version 7.0.0 to 7.0.99 is affected.
Exploit Probability
EPSS
1.01%
Percentile
76.75%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.