CVE-2020-17531: vulnerability in Apache Tapestry
Deserialization flaw in EOL Tapestry 4.
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 10.0%
A Java Serialization vulnerability was found in Apache Tapestry 4. Apache Tapestry 4 will attempt to deserialize the "sp" parameter even before invoking the page's validate method, leading to deserialization without authentication. Apache Tapestry 4 reached end of life in 2008 and no update to address this issue will be released. Apache Tapestry 5 versions are not vulnerable to this issue. Users of Apache Tapestry 4 should upgrade to the latest Apache Tapestry 5 version.
Affected products
Apache Software Foundation · Apache TapestryRelated CVEs — Apache Tapestry
In the same product, most dangerous first.
CVE-2021-27850—Bypass of the fix for CVE-2019-0195EPSS 93.6%CVE-2021-30638—An Information Disclosure due to insufficient input validation exists in Apache Tapestry 5.4.0 and laterEPSS 6.6%CVE-2022-46366CRITICALApache Tapestry prior to version 4 (EOL) allows RCE though deserialization of untrusted inputEPSS 3.5%CVE-2022-31781—Regular Expression Denial of Service (ReDoS) in ContentType.java. (GHSL-2022-022)EPSS 2.0%CVE-2026-61899HIGHApache Tapestry: Possible classpath file download through URL manipulationEPSS 0.7%