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CVE-2025-2887

18
FAUCET Score

CVE-2025-2887 is a medium-severity vulnerability affecting Amazon tough versions prior to 0.20.0, where a client fails to detect rollbacks for delegated targets, potentially leading to the fetching of incorrect target contents. This issue has a CVSS score of 4.5, indicating a network attack vector with low complexity, requiring high privileges and user interaction to achieve a high impact on integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability. Users are advised to upgrade to tough version 0.20.0 or later to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.20.0CPE matchmatch criteria
cpe:2.3:a:amazon:tough:*:*:*:*:*:rust:*:*
>= 0.1.0, < 0.20.0CPE match
cpe:2.3:a:amazon:tough:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 4.0

5.7MEDIUM

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
HIGH
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 26th percentile among its peer group of 4,931 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

rustpatch availablevia ghsa
Product: toughFixed in: 0.20.0
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

rustGHSA-q6r9-r9pw-4cf7medium

tough failure to detect delegated target rollback

Mar 28, 2025

References

aws.amazon.com / security/security-bulletins/AWS-2025-007
Vendor Advisory
github.com / awslabs/tough/releases/tag/tough-v0.20.0
github.com / awslabs/tough/security/advisories/GHSA-q6r9-r9pw-4cf7
Vendor Advisory