{"cve":"CVE-2011-2900","nvd":{"published":"2011-08-05T21:55:08.920","modified":"2026-06-16T23:32:12.860","status":"Modified","description":"Stack-based buffer overflow in the (1) put_dir function in mongoose.c in Mongoose 3.0, (2) put_dir function in yasslEWS.c in yaSSL Embedded Web Server (yasslEWS) 0.2, and (3) _shttpd_put_dir function in io_dir.c in Simple HTTPD (shttpd) 1.42 allows remote attackers to execute arbitrary code via an HTTP PUT request, as exploited in the wild in 2011.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065273.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065505.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065537.html","http://secunia.com/advisories/45464","http://secunia.com/advisories/45902"],"products":["shttpd:shttpd","valenok:mongoose","yassl:yasslews"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2900","score":0.13256,"percentile":0.96383,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}