Vulnerability in Protocol Gossipsub
CVE-2020-12821
Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.019 (79.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Protocol Gossipsub — versions 1.0
References
- github.com/libp2p/specs/tree/master/pubsub/gossipsub (Third Party Advisory)
- github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md (Third Party Advisory)
- bitcoin.stackexchange.com/questions/61151/eclipse-attack-vs-sybil-attack (Third Party Advisory)
- github.com/ipfs/blog/pull/450 (Patch, Third Party Advisory)
- gateway.ipfs.io/ipfs/QmPWuNBs8h6a8KamRvGqhTq5UDYJRQsEEy37zDKjujQQQm/Gossipsub E… (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-12821?
- CVE-2020-12821 is a critical-severity vulnerability in Protocol Gossipsub. CVSS score: 9.8/10. Published 2020-07-07.
- How severe is CVE-2020-12821?
- Critical severity. CVSS v3 base score is 9.8 out of 10.