CVE-2020-8807

Name: CVE-2020-8807
Creator: NVD / NIST
Published: 2021-02-05T14:15:17.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2020-8807 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

1.04%

59.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Electriccoin	Zcashd	< 2.1.1

References

https://electriccoin.co/blog/new-releases-2-1-1-and-hotfix-2-1-1-1/Release Notes, Vendor Advisory
https://electriccoin.co/blog/new-releases-2-1-1-and-hotfix-2-1-1-1/Release Notes, Vendor Advisory

Timeline

Published: Feb 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8807?

How severe is CVE-2020-8807?

CVE-2020-8807 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8807?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8807?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST