What’s Vulnerable › Vulnerabilities

CVE-2020-8806

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-05 · updated 2026-06-17
• Weakness: CWE-863

Description

Electric Coin Company Zcashd before 2.1.1-1 allows attackers to trigger consensus failure and double spending. A valid chain could be incorrectly rejected because timestamp requirements on block headers were not properly enforced.

Affected products

• Electriccoin Zcashd: before 2.1.1 — fixed in 2.1.1

How to fix

Upgrade to a fixed version: Electriccoin Zcashd 2.1.1. Check the vendor advisory for mitigations.

References

• https://electriccoin.co/blog/new-releases-2-1-1-and-hotfix-2-1-1-1/
• https://electriccoin.co/blog/new-releases-2-1-1-and-hotfix-2-1-1-1/

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