Medium severity · published May 5, 2021
CVE-2021-29245
BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API key
5.3
CVSS
0.9%
EPSS
No
On KEV
Description
BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API key.
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)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BS
Btcpay Server · Btcpayserver
through 1.0.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29245
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29245
Vendor Advisory
https://blog.btcpayserver.org/vulnerability-disclosure-v1-0-7-0/
Release Notes
https://github.com/btcpayserver/btcpayserver/releases
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