{"cve":"CVE-2009-4611","nvd":{"published":"2010-01-13T20:30:00.733","modified":"2026-06-16T23:14:01.263","status":"Modified","description":"Mort Bay Jetty 6.x through 6.1.22 and 7.0.0 writes backtrace data without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator, related to (1) a string value in the Age parameter to the default URI for the Cookie Dump Servlet in test-jetty-webapp/src/main/java/com/acme/CookieDump.java under cookie/, (2) an alphabetic value in the A parameter to jsp/expr.jsp, or (3) an alphabetic value in the Content-Length HTTP header to an arbitrary application.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://www.securityfocus.com/archive/1/508830/100/0/threaded","http://www.ush.it/team/ush/hack-jetty6x7x/jetty-adv.txt","http://www.ush.it/team/ush/hack_httpd_escape/adv.txt","http://www.securityfocus.com/archive/1/508830/100/0/threaded","http://www.ush.it/team/ush/hack-jetty6x7x/jetty-adv.txt"],"products":["mortbay:jetty"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-4611","score":0.03245,"percentile":0.88313,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6jxp-7g74-2rc3","url":"https://osv.dev/vulnerability/GHSA-6jxp-7g74-2rc3","summary":"Improper input validation in Mort Bay Jetty","modified":"2023-11-08T03:56:54.368997Z","packages":[{"ecosystem":"Maven","name":"org.mortbay.jetty:jetty","purl":"pkg:maven/org.mortbay.jetty/jetty","ranges":[">=6.0.0 <6.1.23"],"fixed":["6.1.23"]},{"ecosystem":"Maven","name":"org.mortbay.jetty:jetty","purl":"pkg:maven/org.mortbay.jetty/jetty","ranges":[">=7.0.0 <7.0.2"],"fixed":["7.0.2"]}]}],"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."]}