{"cve":"CVE-2017-3156","nvd":{"published":"2017-08-10T18:29:00.300","modified":"2026-06-17T01:17:38.050","status":"Modified","description":"The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":[],"references":["http://cxf.apache.org/security-advisories.data/CVE-2017-3156.txt.asc","http://www.securityfocus.com/bid/96398","https://access.redhat.com/errata/RHSA-2017:1832","https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E","https://lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0187315c%40%3Ccommits.cxf.apache.org%3E"],"products":["apache:cxf"],"source":"nvd","synced_at":"2026-10-19T20:44:47.710380879+00:00"},"epss":{"cve":"CVE-2017-3156","score":0.06315,"percentile":0.93614,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-qc2p-q7x9-v64p","url":"https://osv.dev/vulnerability/GHSA-qc2p-q7x9-v64p","summary":"Covert Timing Channel in Apache CXF","modified":"2024-02-22T05:33:31.652304Z","packages":[{"ecosystem":"Maven","name":"org.apache.cxf.karaf:apache-cxf","purl":"pkg:maven/org.apache.cxf.karaf/apache-cxf","ranges":["<3.0.13"],"fixed":["3.0.13"]},{"ecosystem":"Maven","name":"org.apache.cxf.karaf:apache-cxf","purl":"pkg:maven/org.apache.cxf.karaf/apache-cxf","ranges":[">=3.1.0 <3.1.10"],"fixed":["3.1.10"]}]}],"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."]}