{"cve":"CVE-2011-2147","nvd":{"published":"2011-05-20T22:55:05.487","modified":"2026-06-16T23:30:48.293","status":"Modified","description":"Openswan 2.2.x does not properly restrict permissions for (1) /var/run/starter.pid, related to starter.c in the IPsec starter, and (2) /var/lock/subsys/ipsec, which allows local users to kill arbitrary processes by writing a PID to a file, or possibly bypass disk quotas by writing arbitrary data to a file, as demonstrated by files with 0666 permissions, a different vulnerability than CVE-2011-1784.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://lists.debian.org/debian-security/2011/05/msg00012.html","http://lists.debian.org/debian-security/2011/05/msg00013.html","http://lists.debian.org/debian-security/2011/05/msg00018.html","https://exchange.xforce.ibmcloud.com/vulnerabilities/67822","http://lists.debian.org/debian-security/2011/05/msg00012.html"],"products":["openswan:openswan"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2147","score":0.00345,"percentile":0.28082,"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."]}