{"cve":"CVE-2011-2192","nvd":{"published":"2011-07-07T21:55:02.320","modified":"2026-06-16T23:30:53.620","status":"Modified","description":"The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other products, always performs credential delegation during GSSAPI authentication, which allows remote servers to impersonate clients via GSSAPI requests.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-255"],"references":["http://curl.haxx.se/curl-gssapi-delegation.patch","http://curl.haxx.se/docs/adv_20110623.html","http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062287.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061992.html"],"products":["apple:mac_os_x","canonical:ubuntu_linux","debian:debian_linux","fedoraproject:fedora","haxx:libcurl"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2192","score":0.02877,"percentile":0.86839,"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."]}