How severe is CVE-2021-41149?

CVE-2021-41149 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-41149 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41149?

CVE-2021-41149 affects Amazon Tough. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41149?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-41149 published?

CVE-2021-41149 was published on 2021-10-19 and last updated on 2026-06-17.

CVE-2021-41149

CVE-2021-41149 is a high-severity vulnerability in Amazon Tough with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 8.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Amazon Tough
Published: 2021-10-19
Last modified: 2026-06-17

Description

Tough provides a set of Rust libraries and tools for using and generating the update framework (TUF) repositories. The tough library, prior to 0.12.0, does not properly sanitize target names when caching a repository, or when saving specific targets to an output directory. When targets are cached or saved, files could be overwritten with arbitrary content anywhere on the system. A fix is available in version 0.12.0. No workarounds to this issue are known.

Frequently asked questions

What is CVE-2021-41149?: Tough provides a set of Rust libraries and tools for using and generating the update framework (TUF) repositories. The tough library, prior to 0.12.0, does not properly sanitize target names when caching a repository, or when saving specific targets to an output directory. When targets are cached or saved, files could be overwritten with arbitrary content anywhere on the system. A fix is available in version 0.12.0. No workarounds to this issue are known.
How severe is CVE-2021-41149?: CVE-2021-41149 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-41149 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41149?: CVE-2021-41149 affects Amazon Tough. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41149?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-41149 published?: CVE-2021-41149 was published on 2021-10-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:amazon:tough:*:*:*:*:*:rust:*:*

More vulnerabilities in Amazon Tough

CVE-2020-15093 — High (CVSS 8.6): The tough library (Rust/crates.io) prior to version 0.7.1 does not properly verify the threshold of cryptographic…
CVE-2021-41150 — High (CVSS 8.2): Tough provides a set of Rust libraries and tools for using and generating the update framework (TUF) repositories. The…
CVE-2026-6968 — Medium (CVSS 5.9): Incomplete path traversal fixes in awslabs/tough before tough-v0.22.0 allow remote authenticated users with delegated…
CVE-2026-6967 — Medium (CVSS 5.9): Missing expiration, hash, and length enforcement in delegated metadata validation in awslabs/tough before tough-v0.22.0…
CVE-2026-6966 — Medium (CVSS 5.3): Improper verification of cryptographic signature uniqueness in delegated role validation in awslabs/tough before…
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