{"cve":"CVE-2011-1499","nvd":{"published":"2011-04-29T22:55:00.937","modified":"2026-06-16T23:29:30.170","status":"Modified","description":"acl.c in Tinyproxy before 1.8.3, when an Allow configuration setting specifies a CIDR block, permits TCP connections from all IP addresses, which makes it easier for remote attackers to hide the origin of web traffic by leveraging the open HTTP proxy server.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-16"],"references":["http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493","http://openwall.com/lists/oss-security/2011/04/07/9","http://openwall.com/lists/oss-security/2011/04/08/3","http://secunia.com/advisories/44274","http://www.debian.org/security/2011/dsa-2222"],"products":["banu:tinyproxy","debian:debian_linux"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1499","score":0.01755,"percentile":0.77933,"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."]}