{"cve":"CVE-2023-41104","nvd":{"published":"2023-08-23T07:15:08.417","modified":"2026-06-17T06:20:36.110","status":"Modified","description":"libvmod-digest before 1.0.3, as used in Varnish Enterprise 6.0.x before 6.0.11r5, has an out-of-bounds memory access during base64 decoding, leading to both authentication bypass and information disclosure; however, the exact attack surface will depend on the particular VCL (Varnish Configuration Language) configuration in use.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5},"cwes":["CWE-119"],"references":["https://docs.varnish-software.com/security/VSV00012/","https://github.com/varnish/libvmod-digest/releases/tag/libvmod-digest-1.0.3","https://www.varnish-cache.org/security/VSV00012.html","https://docs.varnish-software.com/security/VSV00012/","https://github.com/varnish/libvmod-digest/releases/tag/libvmod-digest-1.0.3"],"products":["varnish-software:varnish_enterprise","varnish-software:vmod_digest"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-41104","score":0.00595,"percentile":0.48461,"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."]}