{"id":"CVE-2024-23680","title":"AWS Encryption SDK for Java versions 2.0.0 to 2.2.0 and less than 1.9.0 incorrectly validates some invalid ECDSA signatures.","summary":"AWS Encryption SDK for Java versions 2.0.0 to 2.2.0 and less than 1.9.0 incorrectly validates some invalid ECDSA signatures.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-347","CWE-347"],"vendor":"amazon","product":"aws_encryption_sdk","affected":["aws_encryption_sdk < 1.9.0","aws_encryption_sdk >= 2.0.0, < 2.2.0"],"patched":["aws_encryption_sdk 2.2.0"],"published":"2024-01-19","updated":"2026-07-14","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-23680","references":[{"url":"https://github.com/advisories/GHSA-55xh-53m6-936r","label":"disclosure@vulncheck.com"},{"url":"https://github.com/aws/aws-encryption-sdk-java/security/advisories/GHSA-55xh-53m6-936r","label":"disclosure@vulncheck.com"},{"url":"https://vulncheck.com/advisories/vc-advisory-GHSA-55xh-53m6-936r","label":"disclosure@vulncheck.com"},{"url":"https://github.com/advisories/GHSA-55xh-53m6-936r","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/aws/aws-encryption-sdk-java/security/advisories/GHSA-55xh-53m6-936r","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vulncheck.com/advisories/vc-advisory-GHSA-55xh-53m6-936r","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.0021,"epssPercentile":0.11581,"ingestedAt":"2026-07-14T23:40:04.720Z","slug":"CVE-2024-23680","body":"## Overview\n\nAWS Encryption SDK for Java versions 2.0.0 to 2.2.0 and less than 1.9.0 incorrectly validates some invalid ECDSA signatures.\n\n## Affected\n\n- `aws_encryption_sdk < 1.9.0`\n- `aws_encryption_sdk >= 2.0.0, < 2.2.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `aws_encryption_sdk 2.2.0`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}