{"cve":"CVE-2019-10071","nvd":{"published":"2019-09-16T18:15:10.360","modified":"2026-06-17T02:10:09.463","status":"Modified","description":"The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the comparison of the HMAC signatures. This could lead to remote code execution if an attacker is able to determine the correct signature for their payload. The comparison should be done with a constant time algorithm instead.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-203"],"references":["https://lists.apache.org/thread.html/6e8f42c88da7be3c60aafe3f6a85eb00b4f8b444de26b38d36233a43%40%3Cusers.tapestry.apache.org%3E","https://lists.apache.org/thread.html/7a437dad5af7309aba4d01bfc2463b3ac34e6aafaa565381d3a36460%40%3Cusers.tapestry.apache.org%3E","https://lists.apache.org/thread.html/bac8d6f9e1b4059b319d9cba6f33219a99b81623476ec896138f851c%40%3Cusers.tapestry.apache.org%3E","https://lists.apache.org/thread.html/r7d9c54beb1dc97dcccc58d9b5d31f0f7166f9a25ad1beba5f8091e0c%40%3Ccommits.tapestry.apache.org%3E","https://lists.apache.org/thread.html/r87523dd07886223aa086edc25fe9b8ddb9c1090f7db25b068dc30843%40%3Ccommits.tapestry.apache.org%3E"],"products":["apache:tapestry"],"source":"nvd","synced_at":"2026-10-19T20:58:39.700375520+00:00"},"epss":{"cve":"CVE-2019-10071","score":0.08752,"percentile":0.9516,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-fgmr-vx7c-5wj6","url":"https://osv.dev/vulnerability/GHSA-fgmr-vx7c-5wj6","summary":"Timing attack on HMAC signature comparison in Apache Tapestry","modified":"2023-11-08T04:00:39.495402Z","packages":[{"ecosystem":"Maven","name":"org.apache.tapestry:tapestry-core","purl":"pkg:maven/org.apache.tapestry/tapestry-core","ranges":[">=5.4 <5.4.5"],"fixed":["5.4.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}