{"id":"CVE-2021-29041","title":"Denial-of-service (DoS) vulnerability in the Multi-Factor Authentication module in Liferay DXP 7.3 before fix pack 1 allows remote authenticated attackers to prevent any user from authenticating by (1) enabling Time-based One-time passwo…","summary":"Denial-of-service (DoS) vulnerability in the Multi-Factor Authentication module in Liferay DXP 7.3 before fix pack 1 allows remote authenticated attackers to prevent any user from authenticating by (1) enabling Time-based One-time passwo…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"liferay","product":"dxp","affected":["dxp < 7.3","dxp = 7.3"],"patched":["dxp 7.3"],"published":"2021-05-16","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-29041","references":[{"url":"https://issues.liferay.com/browse/LPE-17131","label":"cve@mitre.org"},{"url":"http://liferay.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://issues.liferay.com/browse/LPE-17131","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01124,"epssPercentile":0.64858,"ingestedAt":"2026-07-05T00:59:25.856Z","slug":"CVE-2021-29041","body":"## Overview\n\nDenial-of-service (DoS) vulnerability in the Multi-Factor Authentication module in Liferay DXP 7.3 before fix pack 1 allows remote authenticated attackers to prevent any user from authenticating by (1) enabling Time-based One-time password (TOTP) on behalf of the other user or (2) modifying the other user's TOTP shared secret.\n\n## Affected\n\n- `dxp < 7.3`\n- `dxp = 7.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `dxp 7.3`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}