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CVE-2025-14764

Quick assessment

Affected
AWS S3 Encryption Client for Go
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Amazon S3 Encryption Client是Amazon Web Services开源的一个客户端加密库。 Amazon S3 Encryption Client存在安全漏洞，该漏洞源于缺少加密密钥承诺，可能导致具有S3存储桶写入权限的用户引入新的EDK，解密出不同的明文。

CVSS 5.3 · Medium EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1562.006
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I. Basic Information for CVE-2025-14764

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Missing cryptographic key commitment in the Amazon S3 Encryption Client for Go may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record. To mitigate this issue, upgrade Amazon S3 Encryption Client for Go to version 4.0 or later.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Amazon S3 Encryption Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon S3 Encryption Client是Amazon Web Services开源的一个客户端加密库。 Amazon S3 Encryption Client存在安全漏洞，该漏洞源于缺少加密密钥承诺，可能导致具有S3存储桶写入权限的用户引入新的EDK，解密出不同的明文。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AWS S3 Encryption Client for Go - -

II. Public POCs for CVE-2025-14764

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III. Intelligence Information for CVE-2025-14764

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Vendor Advisories for CVE-2025-14764 (1)

Other References for CVE-2025-14764 (2)

Same Patch Batch · AWS · 2025-12-17 · 6 CVEs total

CVE-2025-14760 5.3 MEDIUM AWS SDK for C++ 安全漏洞
CVE-2025-14759 5.3 MEDIUM Amazon S3 Encryption Client for .NET 安全漏洞
CVE-2025-14763 5.3 MEDIUM Amazon S3 Encryption Client 安全漏洞
CVE-2025-14762 5.3 MEDIUM AWS SDK for Ruby 安全漏洞
CVE-2025-14761 5.3 MEDIUM Amazon AWS SDK for PHP 安全漏洞

IV. Related Vulnerabilities

Same vendor: AWS
Same weakness: CWE-327

V. Comments for CVE-2025-14764

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