---
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: 0.11592
ingestedAt: '2026-07-14T23:40:04.720Z'
---

## Overview

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.

## Affected

- `aws_encryption_sdk < 1.9.0`
- `aws_encryption_sdk >= 2.0.0, < 2.2.0`

## Remediation

Upgrade past the affected range:

- `aws_encryption_sdk 2.2.0`