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CVE-2021-41149

25
FAUCET Score

CVE-2021-41149 is a high-severity vulnerability affecting the 'tough' Rust library, specifically versions prior to 0.12.0, which is used in products like Amazon Tough. The flaw stems from improper sanitization of target names during repository caching or target saving, allowing an authenticated attacker to overwrite arbitrary files on the system with arbitrary content. This vulnerability carries a CVSS score of 8.1 (High), indicating a network-based attack with low complexity and high impact on integrity and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, a fix is available in version 0.12.0, and no workarounds are known.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.12.0CPE matchmatch criteria
cpe:2.3:a:amazon:tough:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.08%
Probability of exploitation in next 30 days
EPSS Percentile
61.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0108 is in the 58th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
rustpatch availablevia ghsa
Product: toughFixed in: 0.12.0

Vendor Advisories (1)

rustGHSA-x3r5-q6mj-m485high

Improper sanitization of target names

Oct 19, 2021

References

github.com / awslabs/tough/commit/1809b9bd1106d78a51fbea3071aa97a3530bac9a
PatchThird Party Advisory
github.com / awslabs/tough/security/advisories/GHSA-x3r5-q6mj-m485
Third Party Advisory