{"cve":"CVE-2012-5356","nvd":{"published":"2012-10-10T18:55:05.707","modified":"2026-06-16T23:46:43.207","status":"Modified","description":"The apt-add-repository tool in Ubuntu Software Properties 0.75.x before 0.75.10.3, 0.80.x before 0.80.9.2, 0.81.x before 0.81.13.5, 0.82.x before 0.82.7.3, and 0.92.x before 0.92.8 does not properly check PPA GPG keys imported from a keyserver, which allows remote attackers to install arbitrary package repository GPG keys via a man-in-the-middle (MITM) attack.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://www.securityfocus.com/bid/55736","http://www.ubuntu.com/usn/USN-1588-1","https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1016643","https://exchange.xforce.ibmcloud.com/vulnerabilities/78990","http://www.securityfocus.com/bid/55736"],"products":["canonical:ubuntu_software_properties"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-5356","score":0.01968,"percentile":0.80386,"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."]}