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CVE-2020-12439
Grin before 3.1.0 allows attackers to adversely affect availability of data on a Mimblewimble blockchain.
Medium5.3EPSS 1.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Grin before 3.1.0 allows attackers to adversely affect availability of data on a Mimblewimble blockchain.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 1.6% · top 25% of all CVEs (7 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- crates.iogrinGHSA-6x52-88cq-55q5 (opens in a new tab)
References (3)
- https://github.com/mimblewimble/grin/pull/3236 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-12439.md (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/mimblewimble/grin/issues/3235 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-6x52-88cq-55q5 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-12439)Record last updated .