Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-40529

The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 29.2%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 2.6
References
Products affected by CVE-2021-40529


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