Vulnerability in Arcworks Ark-R1cs-Std
CVE-2021-38194
An issue was discovered in the ark-r1cs-std crate before 0.3.1 for Rust. It does not enforce any constraints in the FieldVar::mul_by_inverse method. Thus, a prover can produce a proof that is unsound but is nonetheless verified.
EPSS: 0.013 (67.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Arcworks Ark-r1cs-std
- N/a — versions n/a
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-38194?
- CVE-2021-38194 is a critical-severity vulnerability in Arcworks Ark-R1cs-Std. CVSS score: 9.8/10. Published 2021-08-08.
- How severe is CVE-2021-38194?
- Critical severity. CVSS v3 base score is 9.8 out of 10.