Vulnerability in Vapor Postgres-Nio

CVE-2023-31136

PostgresNIO is a Swift client for PostgreSQL. Any user of PostgresNIO prior to version 1.14.2 connecting to servers with TLS enabled is vulnerable to a man-in-the-middle attacker injecting false responses to the client's first few queries, despite the use of TLS certificate verification and encryption. The vulnerability is addressed in PostgresNIO versions starting from 1.14.2. There are no known workarounds for unpatched users.

EPSS: 0.005 (39.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-31136?
CVE-2023-31136 is a low-severity vulnerability in Vapor Postgres-Nio, classified under Insufficiently Protected Credentials. CVSS score: 3.7/10. Published 2023-05-09.
How severe is CVE-2023-31136?
Low severity. CVSS v3 base score is 3.7 out of 10.