CVE-2025-24800
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.32% probability · 24th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-347, CWE-670
- Source
- security-advisories@github.com
References
- https://github.com/polytope-labs/hyperbridge/pull/372/commits/f0e85db718f5165b06585a49b14a66f8ad643aea
- https://github.com/polytope-labs/hyperbridge/security/advisories/GHSA-wwx5-gpgr-vxr7
- https://github.com/polytope-labs/ismp-substrate/pull/64/commits/5ca3351a19151f1a439c30d5cbdbfdc72a11f1a8#diff-3835cc24fb2011b3e8246036059acd8c2c2a9a869eedf7a210d18edb6543318dL262
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.