9.8

CVE-2020-12821: protocol gossipsub

CVSS: 9.8v3.1CriticalModified
Published 07-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-12821 is a critical (CVSS 9.8) vulnerability in protocol gossipsub. EPSS estimates a 1.94% chance of exploitation in the next 30 days, higher than 79.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.94%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 07-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.94%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

0.00 pp

From 1.94% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.94%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gateway.ipfs.io)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Protocol1 product

1 vendor · 1 product

References

5 links