CVE-2025-2887— Failure to detect delegated target rollback in tough
Quick assessment
Affected
AWS tough
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 tough是美国亚马逊（Amazon）公司的 一个The Update Framework（TUF） 存储库的 Rust 客户端库。 Amazon tough 0.20.0之前版本存在安全漏洞，该漏洞源于客户端在目标回滚期间未能检测到委托目标的回滚，可能导致客户端从错误的源获取目标。
Possible ATT&CK Techniques 1 AI
T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2025-2887
Vulnerability Information
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Vulnerability Title
Failure to detect delegated target rollback in tough
Source: CVE Program / CVE List V5
Vulnerability Description
During a target rollback, the client fails to detect the rollback for delegated targets. This could cause the client to fetch a target from an incorrect source, altering the target contents. Users should upgrade to tough version 0.20.0 or later and ensure any forked or derivative code is patched to incorporate the new fixes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用错误要素进行比较
Source: CVE Program / CVE List V5
Vulnerability Title
Amazon tough 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon tough是美国亚马逊（Amazon）公司的 一个The Update Framework（TUF） 存储库的 Rust 客户端库。 Amazon tough 0.20.0之前版本存在安全漏洞，该漏洞源于客户端在目标回滚期间未能检测到委托目标的回滚，可能导致客户端从错误的源获取目标。
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
II. Public POCs for CVE-2025-2887
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Other References for CVE-2025-2887 (1)
Same Patch Batch · AWS · 2025-03-27 · 4 CVEs total
| CVE-2025-2885 | Root metadata version not validated in tough | |
| CVE-2025-2888 | Improper timestamp caching during snapshot rollback in tough | |
| CVE-2025-2886 | Terminating targets role delegations are not respected in tough |
IV. Related Vulnerabilities
Same product: tough
-
CVE-2026-6968
Multiple Path Traversal Variants in awslabs/tough -
CVE-2026-6967
Missing Delegated Metadata Validation in awslabs/tough -
CVE-2026-6966
Signature Threshold Bypass in awslabs/tough Delegated Roles -
CVE-2025-2888
Improper timestamp caching during snapshot rollback in tough -
CVE-2025-2886
Terminating targets role delegations are not respected in to
Same vendor: AWS
-
CVE-2026-96883
Type confusion in AWS pgcollection allows remote code execut -
CVE-2026-94450
Potential denial of service when configured to send Retry pa -
CVE-2026-92943
Improper validation of certificate with host mismatch in AWS -
CVE-2026-86831
Improper validation of pod identifier uniqueness in aws-netw -
CVE-2026-86830
Incorrect privilege assignment in Temporary Elevated Access
Same weakness: CWE-1025
V. Comments for CVE-2025-2887
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