{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-22T17:54:53.322","vulnerabilities":[{"cve":{"id":"CVE-2021-32816","sourceIdentifier":"security-advisories@github.com","published":"2021-05-14T18:15:07.407","lastModified":"2026-06-17T03:53:41.433","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"ProtonMail Web Client is the official AngularJS web client for the ProtonMail secure email service. ProtonMail Web Client before version 3.16.60 has a regular expression denial-of-service vulnerability. This was fixed in commit 6687fb. There is a full report available in the referenced GHSL-2021-027."},{"lang":"es","value":"ProtonMail Web Client es el cliente web oficial de AngularJS para el servicio de correo electrónico seguro ProtonMail.&#xa0;ProtonMail Web Client versiones anteriores a 3.16.60, presenta una vulnerabilidad de denegación de servicio de expresión regular.&#xa0;Esto fue corregido en el commit 6687fb.&#xa0;Se presenta un reporte completo disponible en el GHSL-2021-027 referenciado"}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"ProtonMail","product":"WebClient","versions":[{"version":"< 3.16.60","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:protonmail:protonmail:*:*:*:*:*:*:*:*","versionEndExcluding":"3.16.60","matchCriteriaId":"C577BCC8-E4D5-4171-8A10-E10F8E2181A3"}]}]}],"references":[{"url":"https://github.com/ProtonMail/WebClient/commit/6687fbb867ef872c96cf4fde68cb6e9c58d3fddc","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://securitylab.github.com/advisories/GHSL-2021-027-redos-ProtonMail/","source":"security-advisories@github.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/ProtonMail/WebClient/commit/6687fbb867ef872c96cf4fde68cb6e9c58d3fddc","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://securitylab.github.com/advisories/GHSL-2021-027-redos-ProtonMail/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}]}