{"cve":"CVE-2015-2318","nvd":{"published":"2018-01-08T19:29:00.797","modified":"2026-06-17T00:23:54.950","status":"Modified","description":"The TLS stack in Mono before 3.12.1 allows man-in-the-middle attackers to conduct message skipping attacks and consequently impersonate clients by leveraging missing handshake state validation, aka a \"SMACK SKIP-TLS\" issue.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-295"],"references":["http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/","http://www.openwall.com/lists/oss-security/2015/03/17/9","http://www.securityfocus.com/bid/73253","http://www.ubuntu.com/usn/USN-2547-1","https://bugzilla.redhat.com/show_bug.cgi?id=1202869"],"products":["debian:debian_linux","mono-project:mono"],"source":"nvd","synced_at":"2026-10-19T20:47:56.471723566+00:00"},"epss":{"cve":"CVE-2015-2318","score":0.0197,"percentile":0.80401,"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."]}