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CVE-2021-3121
An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy…
High8.6EPSS 3.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
- EPSS (exploitation in 30 days)
- 3.4% · top 11% 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: High 8.6.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/gogo/protobufGHSA-c3h9-896r-86jm (opens in a new tab)
References (7)
- https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2 (opens in a new tab)x_refsource_MISCx_transferred
- [pulsar-commits] 20210121 [GitHub] [pulsar-client-go] hrsakai opened a new pull request #446: Upgrade gogo/protobuf to 1.3.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [pulsar-commits] 20210122 [GitHub] [pulsar-client-go] hrsakai opened a new pull request #446: Upgrade gogo/protobuf to 1.3.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://security.netapp.com/advisory/ntap-20210219-0006/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025 (opens in a new tab)x_refsource_MISCx_transferred
- [skywalking-notifications] 20211018 [GitHub] [skywalking-swck] hanahmily opened a new pull request #37: Fix vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_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-c3h9-896r-86jm (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-2021-3121)Record last updated .