{"cve":"CVE-2017-12872","nvd":{"published":"2017-09-01T21:29:00.563","modified":"2026-06-17T01:04:03.883","status":"Modified","description":"The (1) Htpasswd authentication source in the authcrypt module and (2) SimpleSAML_Session class in SimpleSAMLphp 1.14.11 and earlier allow remote attackers to conduct timing side-channel attacks by leveraging use of the standard comparison operator to compare secret material against user input.","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:N/A:N","score":5.9},"cwes":["CWE-200"],"references":["https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html","https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html","https://simplesamlphp.org/security/201703-01","https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html","https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html"],"products":["debian:debian_linux","simplesamlphp:simplesamlphp"],"source":"nvd","synced_at":"2026-10-19T20:46:01.145313090+00:00"},"epss":{"cve":"CVE-2017-12872","score":0.01459,"percentile":0.73558,"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."]}