{"cve":"CVE-2009-2936","nvd":{"published":"2010-04-05T16:30:00.453","modified":"2026-06-16T23:10:32.227","status":"Modified","description":"The Command Line Interface (aka Server CLI or administration interface) in the master process in the reverse proxy server in Varnish before 2.1.0 does not require authentication for commands received through a TCP port, which allows remote attackers to (1) execute arbitrary code via a vcl.inline directive that provides a VCL configuration file containing inline C code; (2) change the ownership of the master process via param.set, stop, and start directives; (3) read the initial line of an arbitrary file via a vcl.load directive; or (4) conduct cross-site request forgery (CSRF) attacks that leverage a victim's location on a trusted network and improper input validation of directives.  NOTE: the vendor disputes this report, saying that it is \"fundamentally misguided and pointless.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2010-April/040359.html","http://www.securityfocus.com/archive/1/510360/100/0/threaded","http://www.securityfocus.com/archive/1/510368/100/0/threaded","http://www.varnish-cache.org/changeset/3865","http://www.varnish-cache.org/wiki/CLI"],"products":["varnish.projects.linpro:varnish"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-2936","score":0.63824,"percentile":0.99221,"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."]}