Information disclosure vulnerability exists in Pgpool-II 4.4.0 to 4.4.1 (4.4 series), 4.3.0 to 4.3.4 (4.3 series), 4.2.0 to 4.2.11 (4.2 series), 4.1.0 to 4.1.14 (4.1 series), 4.0.0 to 4.0.21 (4.0 series), All versions of 3.7 series, All versions of 3.6 series, All versions of 3.5 series, All versions of 3.4 series, and All versions of 3.3 series. A specific database user's authentication information may be obtained by another database user. As a result, the information stored in the database may be altered and/or database may be suspended by a remote attacker who successfully logged in the product with the obtained credentials.

Pgpool-II provided by PgPool Global Development Group contains an authentication bypass by primary weakness vulnerability. if the vulnerability is exploited, an attacker may be able to log in to the system as an arbitrary user, allowing them to read or tamper with data in the database, and/or disable the database.

PgpoolAdmin 4.0 and earlier allows remote attackers to bypass the login authentication and obtain the administrative privilege of the PostgreSQL database via unspecified vectors.