Insufficient Verification of Data Authenticity Affecting risc0-zkvm package, versions >=2.0.0-rc.1 <2.1.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published21 Jul 2025
- disclosed20 Jun 2025
- creditUnknown
Introduced: 20 Jun 2025
CVE-2025-52484 (opens in a new tab)How to fix?
Upgrade risc0-zkvm to version 2.1.0 or higher.
Overview
risc0-zkvm is a RISC-V virtual machine that produces zero-knowledge proofs of code it executes.
Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity via a missing constraint in the rv32im circuit. An attacker can manipulate the RISC-V virtual machine to treat the value of the rs1 register as the same as the rs2 register by submitting malicious proofs.