CVE-2022-31183 is a critical vulnerability in the fs2-io library for Scala, specifically affecting server-mode TLSSockets running on Node.js. It allows an attacker to bypass peer certificate verification when mutual TLS (mTLS) is configured with requestCert = true, leading to unauthorized access and potential compromise of confidentiality, integrity, and availability. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, but a patch is available in fs2-io v3.2.11.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.1.0, < 3.2.11CPE matchmatch criteria | cpe:2.3:a:typelevel:fs2:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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