CVE-2020-12821 Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack.
Critical 9.8
Published
Updated
Check this codebase for CVE-2020-12821 and fix it if it is affected.
What it is: CVE-2020-12821 is a critical vulnerability in n/a, published on 7 Jul 2020.
Exploitation: There is no known exploitation of CVE-2020-12821 in the wild and no public exploit code.
Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2020-12821/ (Markdown: https://insights.sbomify.com/CVE-2020-12821/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2020-12821?
CVE-2020-12821 is a critical vulnerability in n/a, published on 7 Jul 2020.
Official description
Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack.
Which versions are affected by CVE-2020-12821?
It affects 1 product.
Products include Protocol Gossipsub.
How do I fix CVE-2020-12821?
No fix has been published for CVE-2020-12821 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-12821 being exploited?
There is no known exploitation of CVE-2020-12821 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-3fxj-w9rj-xjw3.