Medium severity · published Feb 5, 2021
CVE-2020-8807
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…
5.3
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZC
Zcashd · Electriccoin
before 2.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8807
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8807
Release Notes
https://electriccoin.co/blog/new-releases-2-1-1-and-hotfix-2-1-1-1/
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Electric Coin Company Zcashd before 2.1.1-1 allows attackers to trigger consensus failure and double spending