{"id":"CVE-2021-30538","published":"2021-06-07T19:25:51Z","modified":"2024-08-03T22:32:41Z","title":"Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote…","vendor":"Google","product":"Chrome","tier":"core","eol":null,"affectedVersions":[{"vendor":"Google","product":"Chrome","versions":[">= unspecified, < 91.0.4472.77"]}],"description":{"text":"Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":null,"epss":{"score":0.15728,"percentile":0.96856,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2024-05-06","exploitedFirstSeen":"2024-05-06","ransomware":false,"evidence":[{"url":"https://www.fortinet.com/content/dam/fortinet/assets/threat-reports/threat-landscape-report-2h-2023.pdf","date":"2024-05-06"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[],"references":[{"url":"https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html","tags":["x_refsource_MISC"]},{"url":"https://crbug.com/1115045","tags":["x_refsource_MISC"]},{"url":"https://security.gentoo.org/glsa/202107-06","tags":["vendor-advisory","x_refsource_GENTOO"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/","tags":["vendor-advisory","x_refsource_FEDORA"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2021-17459","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-17459","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2021-06-07","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2021-30538","provenance":"source"},{"date":"2024-05-06","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.fortinet.com/content/dam/fortinet/assets/threat-reports/threat-landscape-report-2h-2023.pdf","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":54.4,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 906 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.37,"detail":"percentile 0.9686"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":0.0,"detail":"no CVSS"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}