{"cve":"CVE-2013-1618","nvd":{"published":"2013-02-08T19:55:01.093","modified":"2026-06-16T23:51:47.263","status":"Modified","description":"The TLS implementation in Opera before 12.13 does not properly consider timing side-channel attacks on a MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://lists.opensuse.org/opensuse-updates/2013-02/msg00038.html","http://openwall.com/lists/oss-security/2013/02/05/24","http://www.isg.rhul.ac.uk/tls/TLStiming.pdf","http://www.opera.com/docs/changelogs/unified/1213/","http://www.opera.com/support/kb/view/1044/"],"products":["opera:opera_browser"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2013-1618","score":0.02157,"percentile":0.8219,"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."]}