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CVE-2025-24800

Date: January 28, 2025

Hyperbridge is a hyper-scalable coprocessor for verifiable, cross-chain interoperability. A critical vulnerability was discovered in the ismp-grandpa crate, that allowed a malicious prover easily convince the verifier of the finality of arbitrary headers. This could be used to steal funds or compromise other kinds of cross-chain applications. This vulnerability is fixed in 15.0.1.

Severity Score

Related Resources (8)

https://github.com/polytope-labs/hyperbridge/pull/372/commits/f0e85db718f5165b06585a49b14a66f8ad643aea
https://github.com/polytope-labs/ismp-substrate/pull/64/commits/b26894913b301061b07db61af841ca2586415f08#diff-493a6129d75fe31185e28695a4d2adc1582fe9df12462e380fe994f170fc1e70L159
https://nvd.nist.gov/vuln/detail/CVE-2025-24800
https://github.com/polytope-labs/hyperbridge/security/advisories/GHSA-wwx5-gpgr-vxr7
https://github.com/polytope-labs/ismp-substrate/pull/64/commits/04d5be207b082eb61d586d52e1685e2e060347e6#diff-4aedbca82d26bebc03f274e23fd5697c3346ffff54405c87af9018f3aef708b2R1-R160
https://github.com/polytope-labs/hyperbridge
https://github.com/polytope-labs/ismp-substrate/pull/64/commits/5ca3351a19151f1a439c30d5cbdbfdc72a11f1a8#diff-3835cc24fb2011b3e8246036059acd8c2c2a9a869eedf7a210d18edb6543318dL262
https://www.mend.io/vulnerability-database/CVE-2025-24800

Severity Score

Weakness Type (CWE)

Improper Verification of Cryptographic Signature

CWE-347

Always-Incorrect Control Flow Implementation

CWE-670

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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